var win=null;
function newWindow(mypage,myname,w,h,pos) {
	 if(pos=="random") {
	 
	  myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
	  mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
	 }
	 
	 if(pos=="center") {
	  myleft=(screen.width)?(screen.width-w)/2:100;
	  
	  mytop=(screen.height)?(screen.height-h)/2:100;
	 }
	 else if((pos!="center" && pos!="random") || pos==null) {
	 
	  myleft=0;
	  mytop=20
	 }
	 
	 settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";
	 win=window.open(mypage,myname,settings);
	 win.focus();
}