function showImage(theFile, theAlt){
	var theImage=document.getElementById("large_image");
	theImage.src="../../includes/site_images/features/"+theFile;
	theImage.alt=theAlt;
	document.getElementById("image_div").style.display="block";
	var scrOfY=0;
	if( document.body && document.body.scrollTop) {
	    //DOM compliant
	    scrOfY = document.body.scrollTop;
	} else if( document.documentElement && document.documentElement.scrollTop) {
	    //IE6 standards compliant mode
	    scrOfY = document.documentElement.scrollTop;
	}
	scrOfY+=15;
	if(scrOfY>168){
		document.getElementById("image_div").style.top=scrOfY;
	}else{
		document.getElementById("image_div").style.top=168;
	}
	document.getElementById("image_div").style.display="inline";
}
function closeImage(){
	var theImage=document.getElementById("large_image");
	theImage.src="../../includes/site_images/spacers/spacer.gif";
	theImage.alt="";
	document.getElementById("image_div").style.display="none";
}