//\  overLIB 3.50  --  This notice must remain untouched at all times.
//\  Copyright Erik Bosrup 1998-2001. All rights reserved.

// CONSTANTS
var INARRAY		=	1;
var CAPARRAY		=	2;
var LEFT		=	7;
var RIGHT		=	8;
var CENTER		=	9;
var OFFSETX		=	10;
var OFFSETY		=	11;
var FIXX		=	26;
var FIXY		=	27;
var FULLHTML		=	34;
var ABOVE		=	35;
var BELOW		=	36;
var DELAY		=	47;


// DEFAULT CONFIGURATION
if (typeof ol_width == 'undefined') { var ol_width = "200";}
if (typeof ol_offsetx == 'undefined') { var ol_offsetx = 10;}
if (typeof ol_offsety == 'undefined') { var ol_offsety = 10;}
if (typeof ol_text == 'undefined') { var ol_text = "Default Text"; }
if (typeof ol_height == 'undefined') { var ol_height = -1; }
if (typeof ol_fixx == 'undefined') { var ol_fixx = -1; }
if (typeof ol_fixy == 'undefined') { var ol_fixy = -1; }
if (typeof ol_fullhtml == 'undefined') { var ol_fullhtml = 0; }
if (typeof ol_frame == 'undefined') { var ol_frame = self; }
if (typeof ol_delay == 'undefined') { var ol_delay = 0; }

// INIT
// Runtime variables init. 
var o3_text = "";
var o3_cap = "";
var o3_hpos = RIGHT;
var o3_offsetx = 2;
var o3_offsety = 2;
var o3_status = "";
var o3_autostatus = 0;
var o3_fixx = -1;
var o3_fixy = -1;
var o3_fullhtml = 0;
var o3_vpos = BELOW;
var o3_frame = self;
var o3_timerid = 0;
var o3_allowmove = 0;
var o3_delay = 0;
var o3_delayid = 0;
var o3_hauto = 0;
var o3_vauto = 0;



// 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)) {
		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;
}





// PUBLIC FUNCTIONS

// overlib(arg0, ..., argN)
// Loads parameters into global runtime variables.
function overlib() {
	
	// Load defaults to runtime.
	o3_text = ol_text;
	o3_offsetx = ol_offsetx;
	o3_offsety = ol_offsety;
	o3_width = ol_width;
	o3_height = ol_height;
	o3_fixx = ol_fixx;
	o3_fixy = ol_fixy;
	o3_fullhtml = ol_fullhtml;
	o3_delay = ol_delay;
	

	// 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");
	}
	
	
	// What the next argument is expected to be.
	var parsemode = -1;
	
	var ar = arguments;

	for (i = 0; i < ar.length; i++) {

		if (parsemode < 0) {
			// Arg is maintext, unless INARRAY
			if (ar[i] == INARRAY) {
				o3_text = ol_texts[ar[++i]];
			} else {
				o3_text = ar[i];
			}

			parsemode = 0;
		} else {
			// Note: NS4 doesn't like switch cases with vars.
			if (ar[i] == INARRAY) { o3_text = ol_texts[ar[++i]]; continue; }
			if (ar[i] == CAPARRAY) { o3_cap = ol_caps[ar[++i]]; continue; }
			if (ar[i] == CENTER || ar[i] == LEFT || ar[i] == RIGHT) { o3_hpos = ar[i]; continue; }
			if (ar[i] == OFFSETX) { o3_offsetx = ar[++i]; continue; }
			if (ar[i] == OFFSETY) { o3_offsety = ar[++i]; continue; }
			if (ar[i] == FIXX) { o3_fixx = ar[++i]; continue; }
			if (ar[i] == FIXY) { o3_fixy = ar[++i]; continue; }
			if (ar[i] == FULLHTML) { o3_fullhtml = 1; continue; }
			if (ar[i] == DELAY) { o3_delay = ar[++i]; continue; }
			
		}
	}

	if (o3_delay == 0) {
		return overlib350();
	} else {
		o3_delayid = setTimeout("overlib350()", o3_delay);

		return true;
	}
}



// 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;

	// Write layer
	layerWrite(o3_text);
	
	// Prepare status bar
	if (o3_autostatus > 0) {
		o3_status = o3_text;
		if (o3_autostatus > 1) {
			o3_status = o3_cap;
		}
	}

	// Show layer
	disp(o3_status);

	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!
		
	}

	
	
	// 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;
		}

		
	}


	// 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();
	}
}



// 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";
        
	if (o3_timerid > 0) clearTimeout(o3_timerid);
	if (o3_delayid > 0) clearTimeout(o3_delayid);
	o3_timerid = 0;
	o3_delayid = 0;
        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";
	}
}