function popup(url, width, height, xpos, ypos)
{
	// window.focus();

	var d = new Date();
	var winname = d.getTime();

	win = open(url,winname,"toolbar=no,scrollbars=yes,width="+width+",height="+height);
	win.resizeTo(width,height);
	
	if(xpos == "" || xpos == null)
	{
		xpos = (screen.width/2)-(width/2);
		ypos = (screen.height/2)-(height/2);
	}
	win.moveTo(xpos,ypos);

	win.focus();

	return win;
}



function popup2(url, width, height, xpos, ypos)
{
	window.focus();

	win = open(url,"win2","toolbar=no,scrollbars=yes");
	win.resizeTo(width,height);
	
	if(xpos =="")
	{
		xpos = (screen.width/2)-(width/2);
		ypos = (screen.height/2)-(height/2);
	}
	win.moveTo(xpos,ypos);

	win.focus();

	return win;
}