function print_page(model, type)
{
	var w = 1024, h = 768;
	if (document.all || document.layers) {
	   w = screen.availWidth;
	   h = screen.availHeight;
	}
	var popW = 700, popH = 500;
	var leftPos = (w-popW)/2, topPos = (h-popH)/2;
	targetwin = window.open ("/list_print.php?model=" + escape(model) + "&type=" + escape(type),"mywindow", "menubar=0,resizable=1,width=" + popW + ",height=" + popH + ",top=" + topPos + ",left=" + leftPos + ",status=0,toolbar=0,location=0,directories=0, scrollbars=1"); 
}