//Thumbnail Hover image counter adjustment
var counterAdjustment = -1;

// browser test:
if ((navigator.appName== "Netscape" && parseInt(navigator.appVersion) >= 3)|| (navigator.appName.indexOf("Microsoft") != -1 && parseInt(navigator.appVersion) > 3)) {
    browserVer = '1';
} else {
   browserVer = '2';
}   

if (browserVer == 1) {
	
	
	blank = new Image(15,110);
	blank.src = "";
}

function hover(imgDocID,imgObjName,statusStr) {
//alert ("imgDocID before: " + imgDocID);
var newImgDocID = Math.round(imgDocID)+ Math.round(counterAdjustment);
//alert ("newImgDocID after: " + newImgDocID);
	if (browserVer == 1) {
		document.images[newImgDocID].src = eval(imgObjName + ".src");
	}
	window.status = statusStr;
	return true;
}

function checkboxes(boxes){
	if ((!boxes.RFCheck.checked) && (!boxes.FLCheck.checked) && (!boxes.RPCheck.checked)){
		alert("Please select at least one image group to return results");
		return false;		
	} else {
		return true;
	}
}




//********* Hover functions *********
/*

document.hoverForm.showComp.value = "1";

*/

var offsetfrommouse=[25,-75]; //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 = 0;	// maximum image size.

if (document.getElementById || document.all){
	//alert('inside trailimageid insertion');
	document.write('<div id="trailimageid">');
	document.write('</div>');
}

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, showthumb, imageNumber, brandText){

		//Not an increment.  Just set to 0 if this function has been run  >0 times.
		counterAdjustment = 0;

		//alert('followmouse: ' + followmouse);
		document.onmousemove=followmouse;
		newHTML = '<div style="padding: 5px; background-color: #FFF; border: 1px solid #888; width:320px">';
		
		if (showthumb > 0){
			newHTML = newHTML + '<div align="left" bgcolor="#BCBFE7" style="padding: 8px 2px 2px 2px;"><img src="' + imagename + '" border="0" width="45%" hspace="5" vspace="5" style="border: 1px outset #808080;" align="right"><span style="text-decoration: none"><font face="Trebuchet MS" style="font-size: 9pt">' + brandText + '...</span></font></div>';
		}

		//newHTML = newHTML + '<table bgcolor="#BCBFE7" width=100% cellpadding=0 cellspacing=0 border=0><tr>';
		//newHTML = newHTML + '<td align="left" bgcolor="#BCBFE7" class="thumbnailHoverText">&nbsp;</td>';
		//newHTML = newHTML + '<td align="right" bgcolor="#BCBFE7" class="thumbnailHoverText">Image# ' + imageNumber + '&nbsp;</td>';
		//newHTML = newHTML + '</tr></table>';
		
		newHTML = newHTML + '</div>';
		//alert('newHTML: ' + newHTML);
		
		gettrailobjnostyle().innerHTML = newHTML;

		gettrailobj().visibility="visible";
}


function hidetrail(){
	//if(document.hoverForm.showComp.selectedIndex==0) {
		gettrailobj().visibility="hidden"
		document.onmousemove=""
		gettrailobj().left="-500px"
	//}
}

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(document.body.offsetHeight, window.innerHeight)

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 367){
			xcoord = e.pageX - xcoord - 340; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentimageheight + 110)){
			ycoord += e.pageY - Math.max(0,(110 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < 367){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 340; // 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));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}

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

	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
}

//********* END Hover functions *********