function show_preview(filename)
{
	 myWindow = window.open("product_preview.php?image="+filename, "productPreview", 'toolbar,width=500,height=500');
	 return false;
}
function show_chair(filename)
{
	 myWindow = window.open("seating_preview.php?image="+filename, "productPreview", 'toolbar,width=500,height=500');
	 return false;
}

function move_in(img_name,img_src) {
	document[img_name].src=img_src;
}

function move_out(img_name,img_src) {
	document[img_name].src=img_src;
}

function move_in_by_id(img_name,img_src) {
	document.getElementById(img_name).src=img_src;
}

function move_out_by_id(img_name,img_src) {
	document.getElementById(img_name).src=img_src;
}


function makeVisibleMenu(ul_id, im_id) {
	if (document.getElementById(ul_id).className == "closed")
	{
		document.getElementById(ul_id).className = "open";
		document.getElementById(im_id).src = document.getElementById(im_id).src.replace("extend", "detend");
	}
	else 
	{
		document.getElementById(ul_id).className = "closed";
		document.getElementById(im_id).src = document.getElementById(im_id).src.replace("detend", "extend");
	}
	return false;
}

function externalLinks() {
	 if (!document.getElementsByTagName) return;
	 var anchors = document.getElementsByTagName("a");
	 for (var i=0; i<anchors.length; i++) {
	   var anchor = anchors[i];
	   if (anchor.getAttribute("href") &&
	       anchor.getAttribute("rel") == "external")
	     anchor.target = "_blank";
	 }
	}
window.onload = externalLinks;