// JavaScript Document





/*


Simple Image Trail script- By JavaScriptKit.com


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


This notice must stay intact


*/





var offsetfrommouse=[15,25]; //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 defaultimageheight = 40;	// maximum image size.


var defaultimagewidth = 40;	// maximum image size.





var timer;





function gettrailobj(){


if (document.getElementById)


return document.getElementById("preview_div").style


}





function gettrailobjnostyle(){


if (document.getElementById)


return document.getElementById("preview_div")


}








function truebody(){


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


}








function hidetrail(){	


	gettrailobj().display= "none";


	document.onmousemove=""


	gettrailobj().left="-500px"


	clearTimeout(timer);


}





function showtrail(imagename,title,width,height){


	i = imagename


	t = title


	w = width


	h = height


	


	show(i,t,w,h);


	


}


function show(imagename,title,width,height){


 


    var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]


	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)





	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {


		( width == 0 ) ? width = defaultimagewidth: '';


		( height == 0 ) ? height = defaultimageheight: '';


			


		width+=30


		height+=55


		defaultimageheight = height


		defaultimagewidth = width


	


		document.onmousemove=followmouse; 





		


		newHTML = '';


		newHTML = newHTML + ''


		


    	newHTML = newHTML + '<div class="preview_temp_load"><img src="' + imagename + '" border="0" height=315 width=420 ></div>';


		


	


		gettrailobjnostyle().innerHTML = newHTML;


		gettrailobj().display="block";


	}


}





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 (typeof e != "undefined"){


		if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){


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


		} else {


			xcoord += e.pageX;


		}


		if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){


			ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));


		} else {


			ycoord += e.pageY;


		}





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


		if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){


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


		} else {


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


		}


		if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){


			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));


		} else {


			ycoord += truebody().scrollTop + event.clientY;


		}


	}


	gettrailobj().left=xcoord+"px"


	gettrailobj().top=ycoord+"px"





}