function show_popup(gifurl,gifname,wd,ht,rs,mb,tb,lo,st,sb,x){
	var lf=(screen.width) ? (screen.width-wd)/2 : 0;
	var tp=(screen.height) ? (screen.height-ht)/2 : 0;
	
		if(!wd||!ht){
			var ha=((mb=='yes')?30:0)+((tb=='yes')?60:0)+((lo=='yes')?20:0)+((st=='yes')?20:0);wd=600;ht=400-ha;if(ver4){
				if(screen.availWidth){
					wd=screen.availWidth-20;ht=screen.availHeight-65-ha;lf=screen.availLeft;tp=screen.availTop+10;
				}
			}
		} 
	window.open(gifurl,gifname,'width='+wd+',height='+ht+',left='+lf+',top='+tp+',resizable='+rs+',menubar='+mb+',toolbar='+tb+',location='+lo+',status='+st+',scrollbars='+sb+x);
}