function myWin (url,w,h) { 
 var day = new Date(); 
 var id = day.getTime(); 
 var wid = w+20; 
 var ht = h+20; 
 var params = 'width='+wid+',height='+ht+',scrollbars,resizable'; 
 var win = open(url,id,params); 
 return false; 
}