function pop(mylink, windowname) { 
	var winleft = (screen.width - 850) / 2; 
	var winUp = (screen.height - 700) / 2; 
	if (! window.focus)return true; 
	var href; 
	if(typeof(mylink) == 'string') href=mylink; else href=mylink.href; var newWindow = window.open(href, windowname, 'top='+((screen.height - 700) / 2)+',left='+((screen.width - 850) / 2)+'+,toolbar=0 status=0,resizable=1,Width=850,height=700,scrollbars=1'); 
	} 
	
var win=null;
    
    
    function NewWindow(mypage,myname,w,h,scroll,pos) {
      if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
      if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
      else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
      settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
      win=window.open(mypage,myname,settings);
      win.focus();
    }