function AvailWindow(MyURL) { 

	
	
	var Availability = open(MyURL,'avail',"width=450,height=450,resizable=1,scrollbars=0,menubar=0");
}

function ItemWindow(MyURL) { 
	
	var pat = /(\d+)$/;
	
	pat.exec(MyURL);
	
	var Seg = pat.$1;
	
	var CatalogItem = open(MyURL,Seg,"width=400,height=500,resizable=0,scrollbars=0,menubar=0");
}