// JavaScript Document


function openwin(url,contact,width,height) {

 var features="location=no, menubar=no, status=no, scrollbars=yes, resizable=yes, toolbar=no, directories=no";
	
 features+=", left="+(screen.availWidth-width)/2;
 features+=", top="+(screen.availHeight-height)/2;
	
 if (width) {	features+=", width="+width;	}
 if (height) {	features+=", height="+height;	 }
	
 window.open(url,contact,features);
}