function MM_openBrWindow(theURL,winName) {
	leftVal = screen.width / 2 - 300;
	topVal = screen.height / 2 - 225;

	window.open(theURL,winName,'location=0,width=600,height=450,left='+leftVal+',top='+topVal);
  	//window.open(theURL,winName,features);
}