function wopen(url, width, height, scroll, resize, modal, name)
{
	if(!width) { width = 640; }
	if(!height) { height = 480; }
	if(!scroll) { scroll = 1; }
	if(!resize) { resize = 1; }
	if(!name) { name = 'Pop'; }
	
	
	mleft = (screen.width - width) / 2;
	if(mleft < 0) mleft = 0;

	mtop = (screen.height - height) / 2;
	if(mtop < 0) mtop = 0;
	
	if(modal) {
		Pop = showModalDialog(url, name, 'font-family:Verdana; font-size:12; dialogWidth:'+width+'px; dialogHeight:'+height+'px');
	} else {
		Pop = window.open(url, name,'width='+width+',height='+height+',locatopn=0,menubar=0,resizable='+resize+',scrollbars='+scroll+',status=0,toolbar=0,screenX=300,screenY=250,left='+mleft+',top='+mtop);
	}
	Pop.focus(); 
};

var win; 
function popup(url,W,H)
{ 
	win = window.open( url, "win", "width="+W+",height="+H+",left="+(screen.width-W)/2+",top="+(screen.height-H)/2+",toolbar=no,location=no,status=no,menubar=yes,scrollbars=yes,resizable=yes" ); 
	win.focus(); 
}