var newwindow = '';

function popitup(strURI, strName)
{
	if ((newwindow.closed == false) && newwindow.location)
	{
		newwindow = window.open(strURI,strName,'height=480,width=640');
		if (!newwindow.opener)
		{
			newwindow.opener = self;
		}
	}
	else
	{
		newwindow = window.open(strURI,strName,'height=480,width=640,left=0,top=0,screenX=0,screenY=0');
		if (!newwindow.opener)
		{
			newwindow.opener = self;
		}
	}
	
	if (window.focus)
	{
		newwindow.focus();
	}
}