IE = document.all ? 1:0;

anW=IE?document.body.clientWidth:window.innerWidth;
alW=IE?document.body.clientHeight:window.innerHeight;
anE=screen.width;
alE=screen.height;
function AbrirWin(url,name,w,h)
{
	x=anE/2-480/2;
	y=alE/2-700/2;
	if(name == null){
		open(url,"NewWin","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=680,height=700,top="+y+",left="+x)
	}else if(w == null && h == null){
		open(url,name,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=680,height=700,top="+y+",left="+x)
	}else{
		x=anE/2-w/2;
		y=alE/2-h/2;
		open(url,name,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width="+w+",height="+h+",top="+y+",left="+x)
	}
}