/*

	Simple Image Trail script- By JavaScriptKit.com

	Visit http://www.javascriptkit.com for this script and more

	This notice must stay intact
	
*/



var offsetfrommouse = [15,-190]; //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 = 170;	// maximum image size.



if (document.getElementById || document.all){

	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, productTitle, caption, imageid){

	//Only do this if the person wants it

	if(document.forms['hoverForm'].previewSelected.value == 1) {

		if (imageid > 0) {

			var width = getImageWidth(imageid);

			var height = getImageHeight(imageid);

		}

		//if (height > 0){

		//	currentimageheight = height;

		//}

		//alert(getImageHeight(imageid));

		//alert(currentimageheight);

		document.onmousemove=followmouse;

		newHTML = '<div style="padding: 5px; background: none; border: none;">';

		newHTML = newHTML + '<div align="center" style="padding: 8px 2px 2px 2px;"><img src="' + imagename + '" border="0" style="border: 1px solid #CCC"></div>';

		

		newHTML = newHTML + '</div>';



		gettrailobjnostyle().innerHTML = newHTML;



		gettrailobj().visibility="visible";

	}

}





function hidetrail(){

	if(document.forms['hoverForm'].previewSelected.value == 1) {

		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 (document.all){

	//	gettrailobjnostyle().innerHTML = 'A = ' + truebody().scrollHeight + '<br>B = ' + truebody().clientHeight;

	//} else {

	//	gettrailobjnostyle().innerHTML = 'C = ' + document.body.offsetHeight + '<br>D = ' + window.innerHeight;

	//}



	if (typeof e != "undefined"){

		if (docwidth - e.pageX < 300){

			xcoord = e.pageX - xcoord - 286; // Move to the left side of the cursor

		} else {

			xcoord += e.pageX;

		}

		if (docheight - e.pageY < (currentimageheight + -1000)){

			ycoord += e.pageY - Math.max(0,(-1000 + currentimageheight + e.pageY - docheight - truebody().scrollTop));

		} else {

			ycoord += e.pageY;

		}



	} else if (typeof window.event != "undefined"){

		if (docwidth - event.clientX < 300){

			xcoord = event.clientX + truebody().scrollLeft - xcoord - 286; // Move to the left side of the cursor

		} else {

			xcoord += truebody().scrollLeft+event.clientX

		}

		if (docheight - event.clientY < (currentimageheight + -1000)){

			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(-1000 + 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"



}



//set the preference to see or not see the preview
function updateShowHoverComp(formName) {
	
	//get the value of what is being selected
	var selectBox = document.forms[formName].showPreview;
	var user_input = selectBox.options[selectBox.selectedIndex].value;

	//set the value of the previewSelected hidden text field
	document.forms[formName].previewSelected.value = user_input;
	
	//set a cookie so the setting is saved
	var never = new Date();
	never.setTime(never.getTime() + 2000*24*60*60*1000);
	document.cookie = 'hoverStatus=' + user_input + '; expires=' + never.toGMTString() + ' UTC; path=/';
	
	//alert(document.cookie);

}