function isWindowOpen(windowhandle){
	if (windowhandle && windowhandle.open && !windowhandle.closed){
		return true;
	} else {
		return false;
	}
}			


var imgWin;
function openImageWindow(w,h)
{
	//var newWindowURL = unescape(url);
	var maxw=0;
	var maxh=0;
	var winsize=0;
	var ratio = w/h;
	if(w>600 || h>600){
		winsize=700;
	} else {
		if(ratio <=1) winsize = h+100;
		if(ratio >1) winsize = w+100;
	}
	
	var newWindowURL = "prod_image_viewer.php";
	if (!isWindowOpen(imgWin))		
	{
		imgWin = window.open(newWindowURL,"imgWindow","resizable=yes,address=no,scrollbars=no,height="+winsize+",width="+winsize);
	}
	else
	{
		imgWin.location = newWindowURL;
		imgWin.focus();
	}	
	
}

function showDetails(id){
	
	active = id;
	var ecart_form;
	var obj;
	
	obj = getObject( "details_price" );
	if(obj){
		obj.innerHTML=unescape(img_prices[id]);
	} 
	
	obj = getObject( "details_name" );
	if(obj){
		obj.innerHTML=unescape(img_names[id]);
	} 
	
	obj = getObject( "details_descr" );
	if(obj){
		obj.innerHTML=unescape(img_descrs[id]);
	} 
	
	obj = getObject( "details_link" );
	if(obj){
		obj.innerHTML=unescape(img_links[id]);
	} 
	
	obj = getObject( "ecart_buttons" );
	if(obj){
		obj.innerHTML = unescape(ecart_form);
	} 
	
	displayObject( displayObjects, true );
}