function chk(){
	var fn
	fn=window.location.href
	var loc
	loc= fn.lastIndexOf("/")
	var filename=fn.substring(loc+1,fn.length)
	if (filename.substring(0,5) != "view_"){
		arr=filename.split("_");
		window.location="view_products.asp?pr_id="+arr[0]+"&open="+arr[1]	
	}
}