function launchWS(winName) { 
	//window height and width
	myHeight = screen.height*.80;
	myWidth = 784;

	//widow height bounds
	if ( myHeight < 556 ) {
		myHeight = 556;
	} else if (myHeight>700) {
		myHeight = 700;
	}
                  
	//get screen size, and cacl center screen positioning
	var height = screen.height;
	var width = screen.width;
	var leftpos = width / 2 - myWidth / 2;
	var toppos = (height / 2 - myHeight / 2) - 40;
	
	//open window
	msgWindow=window.open(winName,"ws_window","toolbar=no,location=no,directories=no,resizable=yes,menubar=no,scrollbars=no,status=yes,width=" 
						+ myWidth + ",height="+ myHeight + ", left=" 
						+ leftpos + ",top=" + toppos); 
														
	//focus window
	setTimeout('msgWindow.focus()',1);
}