//\//////////////////////////////////////////////////////////////////////////////////
//\  overLIB 3.50  --  This notice must remain untouched at all times.
//\  Copyright Erik Bosrup 1998-2001. All rights reserved.
//\
//\  By Erik Bosrup (erik@bosrup.com).  Last modified 2001-08-28.
//\  Portions by Dan Steinman (dansteinman.com). Additions by other people are
//\  listed on the overLIB homepage.
//\
//\  Get the latest version at http://www.bosrup.com/web/overlib/
//\
//\  This script is published under an open source license. Please read the license
//\  agreement online at: http://www.bosrup.com/web/overlib/license.html
//\  If you have questions regarding the license please contact erik@bosrup.com.
//\
//\  This script library was originally created for personal use. By request it has
//\  later been made public. This is free software. Do not sell this as your own
//\  work, or remove this copyright notice. For full details on copying or changing
//\  this script please read the license agreement at the link above.
//\
//\  Please give credit on sites that use overLIB and submit changes of the script
//\  so other people can use them as well. This script is free to use, don't abuse.
//\//////////////////////////////////////////////////////////////////////////////////
//\mini


////////////////////////////////////////////////////////////////////////////////////
// CONSTANTS
// Don't touch these. :)
////////////////////////////////////////////////////////////////////////////////////
var INARRAY		=	1;
var CAPARRAY		=	2;
var STICKY		=	3;
var NOCLOSE		=	5;
var CAPTION		=	6;
var LEFT		=	7;
var RIGHT		=	8;
var CENTER		=	9;
var OFFSETX		=	10;
var OFFSETY		=	11;
var WIDTH		=	17;
var STATUS		=	19;
var HEIGHT		=	22;
var SNAPX		=	24;
var SNAPY		=	25;
var FIXX		=	26;
var FIXY		=	27;
var PADX		=	30; // PADX2 out
var PADY		=	31; // PADY2 out
var FULLHTML		=	34;
var ABOVE		=	35;
var BELOW		=	36;
var CAPICON		=	37;
var FRAME		=	44;
var FUNCTION		=	46;
var DELAY		=	47;
var HAUTO		=	48;
var VAUTO		=	49;
var CSSOFF		=	51;
var CSSSTYLE		=	52;
var CSSCLASS		=	53;
var FGCLASS		=	54;
var BGCLASS		=	55;
var PADUNIT		=	59;
var HEIGHTUNIT		=	60;
var WIDTHUNIT		=	61;


////////////////////////////////////////////////////////////////////////////////////
// DEFAULT CONFIGURATION
// You don't have to change anything here if you don't want to. All of this can be
// changed on your html page or through an overLIB call.
////////////////////////////////////////////////////////////////////////////////////

// Width of the popups in pixels
// 100-300 pixels is typical
if (typeof ol_width == 'undefined') { var ol_width = "300";}

// How many pixels to the right/left of the cursor to show the popup
// Values between 3 and 12 are best
if (typeof ol_offsetx == 'undefined') { var ol_offsetx = 10;}
	
// How many pixels to the below the cursor to show the popup
// Values between 3 and 12 are best
if (typeof ol_offsety == 'undefined') { var ol_offsety = 10;}

// Default text for popups
// Should you forget to pass something to overLIB this will be displayed.
if (typeof ol_text == 'undefined') { var ol_text = "Default Text"; }

// Default caption
// You should leave this blank or you will have problems making non caps popups.
if (typeof ol_cap == 'undefined') { var ol_cap = ""; }

// Decides if sticky popups are default.
// 0 for non, 1 for stickies.
if (typeof ol_sticky == 'undefined') { var ol_sticky = 0; }

// Default vertical alignment for popups.
// It's best to leave RIGHT here. Other options are LEFT and CENTER.
if (typeof ol_hpos == 'undefined') { var ol_hpos = RIGHT; }

// Default status bar text when a popup is invoked.
if (typeof ol_status == 'undefined') { var ol_status = ""; }

// Default height for popup. Often best left alone.
if (typeof ol_height == 'undefined') { var ol_height = -1; }

// Horizontal grid spacing that popups will snap to.
// 0 makes no grid, anything else will cause a snap to that grid spacing.
if (typeof ol_snapx == 'undefined') { var ol_snapx = 0; }

// Vertical grid spacing that popups will snap to.
// 0 makes no grid, andthing else will cause a snap to that grid spacing.
if (typeof ol_snapy == 'undefined') { var ol_snapy = 0; }

// Sets the popups horizontal position to a fixed column.
// Anything above -1 will cause fixed position.
if (typeof ol_fixx == 'undefined') { var ol_fixx = -1; }

// Sets the popups vertical position to a fixed row.
// Anything above -1 will cause fixed position.
if (typeof ol_fixy == 'undefined') { var ol_fixy = -1; }

// How much horizontal left padding text should get by default when BACKGROUND is used.
if (typeof ol_padxl == 'undefined') { var ol_padxl = 1; }

// How much horizontal right padding text should get by default when BACKGROUND is used.
if (typeof ol_padxr == 'undefined') { var ol_padxr = 1; }

// How much vertical top padding text should get by default when BACKGROUND is used.
if (typeof ol_padyt == 'undefined') { var ol_padyt = 1; }

// How much vertical bottom padding text should get by default when BACKGROUND is used.
if (typeof ol_padyb == 'undefined') { var ol_padyb = 1; }

// If the user by default must supply all html for complete popup control.
// Set to 1 to activate, 0 otherwise.
if (typeof ol_fullhtml == 'undefined') { var ol_fullhtml = 0; }

// Default vertical position of the popup. Default should normally be BELOW.
// ABOVE only works when HEIGHT is defined.
if (typeof ol_vpos == 'undefined') { var ol_vpos = BELOW; }

// Default height of popup to use when placing the popup above the cursor.
if (typeof ol_aboveheight == 'undefined') { var ol_aboveheight = 0; }

// Default frame. We default to current frame if there is no frame defined.
if (typeof ol_frame == 'undefined') { var ol_frame = self; }

// Default javascript funktion. By default there is none.
if (typeof ol_function == 'undefined') { var ol_function = Function(); }

// Default timeout. By default there is no timeout.
if (typeof ol_delay == 'undefined') { var ol_delay = 0; }

// If overLIB should decide the horizontal placement.
if (typeof ol_hauto == 'undefined') { var ol_hauto = 0; }

// If overLIB should decide the vertical placement.
if (typeof ol_vauto == 'undefined') { var ol_vauto = 0; }

// This variable determines if you want to use CSS or inline definitions.
// CSSOFF=no CSS    CSSSTYLE=use CSS inline styles    CSSCLASS=use classes
if (typeof ol_css == 'undefined') { var ol_css = CSSOFF; }

// Main background class (eqv of fgcolor)
// This is only used if CSS is set to use classes (ol_css = CSSCLASS)
if (typeof ol_fgclass == 'undefined') { var ol_fgclass = ""; }

// Frame background class (eqv of bgcolor)
// This is only used if CSS is set to use classes (ol_css = CSSCLASS)
if (typeof ol_bgclass == 'undefined') { var ol_bgclass = ""; }

// Unit to be used for the text padding above
// Only used if CSS inline styles are being used (ol_css = CSSSTYLE)
// Options include "px", "%", "in", "cm" and more
if (typeof ol_padunit == 'undefined') { var ol_padunit = "px";}

// Unit to be used for height of popup
// Only used if CSS inline styles are being used (ol_css = CSSSTYLE)
// Options include "px", "%", "in", "cm" and more
if (typeof ol_heightunit == 'undefined') { var ol_heightunit = "px";}

// Unit to be used for width of popup
// Only used if CSS inline styles are being used (ol_css = CSSSTYLE)
// Options include "px", "%", "in", "cm" and more
if (typeof ol_widthunit == 'undefined') { var ol_widthunit = "px";}



////////////////////////////////////////////////////////////////////////////////////
// ARRAY CONFIGURATION
// You don't have to change anything here if you don't want to. The following
// arrays can be filled with text and html if you don't wish to pass it from
// your html page.
////////////////////////////////////////////////////////////////////////////////////

// Array with texts.
if (typeof ol_texts == 'undefined') { var ol_texts = new Array("Text 0", "Text 1"); }

// Array with captions.
if (typeof ol_caps == 'undefined') { var ol_caps = new Array("Caption 0", "Caption 1"); }


////////////////////////////////////////////////////////////////////////////////////
// END CONFIGURATION
// Don't change anything below this line, all configuration is above.
////////////////////////////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////////////////////////////
// INIT
////////////////////////////////////////////////////////////////////////////////////

// Runtime variables init. Used for runtime only, don't change, not for config!
var o3_text = "";
var o3_cap = "";
var o3_sticky = 0;
var o3_hpos = RIGHT;
var o3_offsetx = 2;
var o3_offsety = 2;
var o3_width = 100;
var o3_status = "";
var o3_height = -1;
var o3_snapx = 0;
var o3_snapy = 0;
var o3_fixx = -1;
var o3_fixy = -1;
var o3_padxl = 0;
var o3_padxr = 0;
var o3_padyt = 0;
var o3_padyb = 0;
var o3_fullhtml = 0;
var o3_vpos = BELOW;
var o3_aboveheight = 0;
var o3_frame = self;
var o3_allowmove = 0;
var o3_function = Function();
var o3_delay = 0;
var o3_delayid = 0;
var o3_hauto = 0;
var o3_vauto = 0;

var o3_css = CSSOFF;
var o3_fgclass = "";
var o3_bgclass = "";
var o3_padunit = "px";
var o3_heightunit = "px";
var o3_widthunit = "px";


// Display state variables
var o3_x = 0;
var o3_y = 0;
var o3_allow = 0;
var o3_showingsticky = 0;
var o3_removecounter = 0;

// Our layer
var over = null;


// Decide browser version
var ns4 = (document.layers)? true:false;
var ns6 = (document.getElementById)? true:false;
var ie4 = (document.all)? true:false;
var ie5 = false;

// Microsoft Stupidity Check(tm).
if (ie4) {
	if ((navigator.userAgent.indexOf('MSIE 5') > 0) || (navigator.userAgent.indexOf('MSIE 6') > 0)
	 || (navigator.userAgent.indexOf('MSIE 7') > 0) || (navigator.userAgent.indexOf('MSIE 8') > 0) ) {
		ie5 = true;
	}
	if (ns6) {
		ns6 = false;
	}
}


// Capture events, alt. diffuses the overlib function.
if ( (ns4) || (ie4) || (ns6)) {
	document.onmousemove = mouseMove
	if (ns4) document.captureEvents(Event.MOUSEMOVE)
} else {
	overlib = no_overlib;
	nd = no_overlib;
	ver3fix = true;
}


// Fake function for 3.0 users.
function no_overlib() {
	return ver3fix;
}



////////////////////////////////////////////////////////////////////////////////////
// PUBLIC FUNCTIONS
////////////////////////////////////////////////////////////////////////////////////


// overlib(arg0, ..., argN)
// Loads parameters into global runtime variables.
function overlib() {
	
	// Load defaults to runtime.
	o3_text = ol_text;
	o3_cap = ol_cap;
	o3_sticky = ol_sticky;
	o3_hpos = ol_hpos;
	o3_offsetx = ol_offsetx;
	o3_offsety = ol_offsety;
	o3_width = ol_width;
	o3_status = ol_status;
	o3_height = ol_height;
	o3_snapx = ol_snapx;
	o3_snapy = ol_snapy;
	o3_fixx = ol_fixx;
	o3_fixy = ol_fixy;
	o3_padxl = ol_padxl;
	o3_padxr = ol_padxr;
	o3_padyt = ol_padyt;
	o3_padyb = ol_padyb;
	o3_fullhtml = ol_fullhtml;
	o3_vpos = ol_vpos;
	o3_aboveheight = ol_aboveheight;
	o3_function = ol_function;
	o3_delay = ol_delay;
	o3_hauto = ol_hauto;
	o3_vauto = ol_vauto;
	
	o3_css = ol_css;
	o3_fgclass = ol_fgclass;
	o3_bgclass = ol_bgclass;
	o3_padunit = ol_padunit;
	o3_heightunit = ol_heightunit;
	o3_widthunit = ol_widthunit;
	

	// Special for frame support, over must be reset...
	if ( (ns4) || (ie4) || (ns6) ) {
		o3_frame = ol_frame;
		if (ns4) over = o3_frame.document.overDiv
		if (ie4) over = o3_frame.overDiv.style
		if (ns6) over = o3_frame.document.getElementById("overDiv");
	}
	
	
	var ar = arguments;

	o3_text=ar[0];
	return overlib350();
}



// Clears popups if appropriate
function nd() {
	if ( o3_removecounter >= 1 ) { o3_showingsticky = 0 };
	if ( (ns4) || (ie4) || (ns6) ) {
		if ( o3_showingsticky == 0 ) {
			o3_allowmove = 0;
			if (over != null) hideObject(over);
		} else {
			o3_removecounter++;
		}
	}
	
	return true;
}


////////////////////////////////////////////////////////////////////////////////////
// OVERLIB 3.50 FUNCTION
////////////////////////////////////////////////////////////////////////////////////


// This function decides what it is we want to display and how we want it done.
function overlib350() {

	// Make layer content
	var layerhtml;

	layerhtml = o3_text;
	if (ie4) over.backgroundImage = "none";
	if (ns6) over.style.backgroundImage = "none";
	
	// We want it to stick!
	if (o3_sticky) {
		o3_showingsticky = 1;
		o3_removecounter = 0;
	}
	
	// Write layer
	layerWrite(layerhtml);
	
	// When placing the layer the first time, even stickies may be moved.
	o3_allowmove = 0;

	// Show layer
	disp(o3_status);

	// Stickies should stay where they are.	
	if (o3_sticky) {
		o3_allowmove = 0;
		return false;
	} else {
		return true;
	}
}



////////////////////////////////////////////////////////////////////////////////////
// HANDLING FUNCTIONS
////////////////////////////////////////////////////////////////////////////////////


// Displays the popup
function disp(statustext) {
	if ( (ns4) || (ie4) || (ns6) ) {
		if (o3_allowmove == 0) 	{
			placeLayer();
			showObject(over);
			o3_allowmove = 1;
		}
	}

	if (statustext != "") {
		self.status = statustext;
	}
}

// Decides where we want the popup.
function placeLayer() {
	var placeX, placeY;
	
	// HORIZONTAL PLACEMENT
	if (o3_fixx > -1) {
		// Fixed position
		placeX = o3_fixx;
	} else {
		winoffset = (ie4) ? o3_frame.document.body.scrollLeft : o3_frame.pageXOffset;
		if (ie4) iwidth = o3_frame.document.body.clientWidth;
		if (ns4) iwidth = o3_frame.innerWidth; // was screwed in mozilla, fixed now?
		if (ns6) iwidth = o3_frame.outerWidth;
		
		// If HAUTO, decide what to use.
		if (o3_hauto == 1) {
			if ( (o3_x - winoffset) > ((eval(iwidth)) / 2)) {
				o3_hpos = LEFT;
			} else {
				o3_hpos = RIGHT;
			}
		}
		
		// From mouse
		if (o3_hpos == CENTER) { // Center
			placeX = o3_x+o3_offsetx-(o3_width/2);
		}
		if (o3_hpos == RIGHT) { // Right
			placeX = o3_x+o3_offsetx;
			if ( (eval(placeX) + eval(o3_width)) > (winoffset + iwidth) ) {
				placeX = iwidth + winoffset - o3_width;
				if (placeX < 0) placeX = 0;
			}
		}
		if (o3_hpos == LEFT) { // Left
			placeX = o3_x-o3_offsetx-o3_width;
			if (placeX < winoffset) placeX = winoffset;
		}
	
		// Snapping!
		if (o3_snapx > 1) {
			var snapping = placeX % o3_snapx;
			if (o3_hpos == LEFT) {
				placeX = placeX - (o3_snapx + snapping);
			} else {
				// CENTER and RIGHT
				placeX = placeX + (o3_snapx - snapping);
			}
			if (placeX < winoffset) placeX = winoffset;
		}
	}

	
	
	// VERTICAL PLACEMENT
	if (o3_fixy > -1) {
		// Fixed position
		placeY = o3_fixy;
	} else {
		scrolloffset = (ie4) ? o3_frame.document.body.scrollTop : o3_frame.pageYOffset;

		// If VAUTO, decide what to use.
		if (o3_vauto == 1) {
			if (ie4) iheight = o3_frame.document.body.clientHeight;
			if (ns4) iheight = o3_frame.innerHeight;
			if (ns6) iheight = o3_frame.outerHeight;

			iheight = (eval(iheight)) / 2;
			if ( (o3_y - scrolloffset) > iheight) {
				o3_vpos = ABOVE;
			} else {
				o3_vpos = BELOW;
			}
		}


		// From mouse
		if (o3_vpos == ABOVE) {
			if (o3_aboveheight == 0) {
				var divref = (ie4) ? o3_frame.document.all['overDiv'] : over;
				o3_aboveheight = (ns4) ? divref.clip.height : divref.offsetHeight;
			}

			placeY = o3_y - (o3_aboveheight + o3_offsety);
			if (placeY < scrolloffset) placeY = scrolloffset;
		} else {
			// BELOW
			placeY = o3_y + o3_offsety;
		}

		// Snapping!
		if (o3_snapy > 1) {
			var snapping = placeY % o3_snapy;
			
			if (o3_aboveheight > 0 && o3_vpos == ABOVE) {
				placeY = placeY - (o3_snapy + snapping);
			} else {
				placeY = placeY + (o3_snapy - snapping);
			}
			
			if (placeY < scrolloffset) placeY = scrolloffset;
		}
	}


	// Actually move the object.	
	repositionTo(over, placeX, placeY);
}


// Moves the layer
function mouseMove(e) {
	if ( (ns4) || (ns6) ) {o3_x=e.pageX; o3_y=e.pageY;}
	if (ie4) {o3_x=event.x; o3_y=event.y;}
	if (ie5) {o3_x=event.x+o3_frame.document.body.scrollLeft; o3_y=event.y+o3_frame.document.body.scrollTop;}
	
	if (o3_allowmove == 1) {
		placeLayer();
	}
}

// The Close onMouseOver function for stickies
function cClick() {
	hideObject(over);
	o3_showingsticky = 0;
	
	return false;
}


// Makes sure target frame has overLIB
function compatibleframe(frameid) {        
	if (ns4) {
		if (typeof frameid.document.overDiv =='undefined') return false;
	} else if (ie4) {
		if (typeof frameid.document.all["overDiv"] =='undefined') return false;
	} else if (ns6) {
		if (frameid.document.getElementById('overDiv') == null) return false;
	}

	return true;
}



////////////////////////////////////////////////////////////////////////////////////
// LAYER FUNCTIONS
////////////////////////////////////////////////////////////////////////////////////


// Writes to a layer
function layerWrite(txt) {
	txt += "\n";
	
        if (ns4) {
                var lyr = o3_frame.document.overDiv.document

                lyr.write(txt)
                lyr.close()
        } else if (ie4) {
		o3_frame.document.all["overDiv"].innerHTML = txt
	} else if (ns6) {
		range = o3_frame.document.createRange();
		range.setStartBefore(over);
		domfrag = range.createContextualFragment(txt);
		while (over.hasChildNodes()) {
			over.removeChild(over.lastChild);
		}
		over.appendChild(domfrag);
	}
}

// Make an object visible
function showObject(obj) {
        if (ns4) obj.visibility = "show";
        else if (ie4) obj.visibility = "visible";
	else if (ns6) obj.style.visibility = "visible";
}

// Hides an object
function hideObject(obj) {
        if (ns4) obj.visibility = "hide";
        else if (ie4) obj.visibility = "hidden";
	else if (ns6) obj.style.visibility = "hidden";
        
        self.status = "";
}

// Move a layer
function repositionTo(obj,xL,yL) {
	if ( (ns4) || (ie4) ) {
	        obj.left = xL;
	        obj.top = yL;
	} else if (ns6) {
		obj.style.left = xL + "px";
		obj.style.top = yL+ "px";
	}
}


////////////////////////////////////////////////////////////////////////////////////
// PARSER FUNCTIONS
////////////////////////////////////////////////////////////////////////////////////

// Defines which frame we should point to.
function opt_FRAME(frm) {
        o3_frame = compatibleframe(frm) ? frm : ol_frame;

	if ( (ns4) || (ie4 || (ns6)) ) {
		if (ns4) over = o3_frame.document.overDiv;
		if (ie4) over = o3_frame.overDiv.style;
		if (ns6) over = o3_frame.document.getElementById("overDiv");
	}

	return 0;
}

// Calls an external function
function opt_FUNCTION(callme) {
	o3_text = callme()
	return 0;
}

