/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[10,10]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=0; //duration in seconds image should remain visible. 0 for always.
var currentimageheight = 265;	// maximum image size.

if (document.getElementById || document.all){
	document.write('<div id="trailimageid" style="z-index:1001;">');
	document.write('</div>');
	document.write('<iframe src="/blank.htm" scrolling="no" frameborder="0" style="position:absolute;border:none;z-index:1000;visibility:hidden" id="trailimageIframe"></iframe>');
}

//Steve 02/06/06 : Toggles the tagName (all on page) with the givenValue
// e.g. tagName = Select    givenValue = Hidden
//		Loops through all selects on a page and hides them
function toggleTag(tagName,givenValue){
	var x = document.getElementsByTagName(tagName);
	for (var i = 0; i < x.length; i++){
		x[i].style.visibility = givenValue;
	}
}

function gettrailframeobj(){
	if (document.getElementById)
	return document.getElementById("trailimageIframe").style
	else if (document.all)
	return document.all.trailimageIframe.style
}

function gettrailobj(){
	if (document.getElementById)
	return document.getElementById("trailimageid").style
	else if (document.all)
return document.all.trailimagid.style
}

function gettrailobjnostyle(){
	if (document.getElementById)
	return document.getElementById("trailimageid")
	else if (document.all)
	return document.all.trailimagid
}


function truebody(){
	return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function showtrail(imagename,title,description,showthumb,height){

	/*toggleTag("select","hidden");*/
	
	if (height > 0){currentimageheight = height}

	document.onmousemove=followmouse;

	newHTML = '<div style="padding: 5px; background-color: #FFF; border: 1px solid #888;">';
	if (showthumb > 0){
		newHTML = newHTML + '<div align="center" style="padding: 8px 2px 2px 2px;"><img src="/productimages/fabrics/rollover/' + imagename + '.jpg" border="0"></div><br>';
	}
	if(title.length > 0){
		newHTML = newHTML + '<b>' + title + '</b><br>';	
	}
	if(description.length > 0){
		newHTML = newHTML + description;
	}
	newHTML = newHTML + '</div>';

	gettrailobjnostyle().innerHTML = newHTML;
	gettrailobj().visibility="visible";
}

function hidetrail(){
	gettrailobj().visibility="hidden"
	gettrailframeobj().visibility="hidden"
	document.onmousemove=""
	gettrailframeobj().left="-1000px"
	gettrailobj().left="-1000px"
	/*toggleTag("select","visible");*/
}

// function followmouse(e){ moved inline into header.cfm

function followmouse(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	//if (document.all){
	//	gettrailobjnostyle().innerHTML = 'A = ' + truebody().scrollHeight + '<br>B = ' + truebody().clientHeight;
	//} else {
	//	gettrailobjnostyle().innerHTML = 'C = ' + document.body.offsetHeight + '<br>D = ' + window.innerHeight;
	//}

	//Get width of div
	objWidth = gettrailobjnostyle().offsetWidth;
	objHeight = gettrailobjnostyle().offsetHeight;
	
	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 380){
			xcoord = e.pageX - xcoord - (objWidth); // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentimageheight + 110)){
			//alert(e.pageY);
			var testY = Math.max(0,(110 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
			//alert("e.pageY: " + e.pageY + "Other: " + testY);
			
			//ycoord += e.pageY - Math.max(0,(110 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
			
			//e.pageY - Math.max(0,(110 + currentimageheight + e.pageY - docheight - truebody().scrollTop)) always evaluates to the same vertical position in Safari
			ycoord += e.pageY;
			
		} else {
			ycoord += e.pageY;
			//alert("test 2 sss");
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < 380){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - (objWidth); // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (currentimageheight + 110)){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(110 + currentimageheight + event.clientY - docheight));
			//alert("test 1");
		} else {
			ycoord += truebody().scrollTop + event.clientY;
			//alert("test 2");
		}
	}
	
	//alert(event.clientY);
	
	if(ycoord < 0) { ycoord = ycoord*-1; }

	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
	gettrailframeobj().visibility="visible"
	gettrailframeobj().display="block"
	gettrailframeobj().left=xcoord+"px"
	gettrailframeobj().top=ycoord+"px"
	gettrailframeobj().height=objHeight
	gettrailframeobj().width=objWidth
	

}