function newwindow(filename){

	/* initialize variables*/
	var file = filename;

	/* determine browser */
	var bName = navigator.appName;
	var bVer = parseFloat(navigator.appVersion);

	if (bName == "Netscape") 
		NewWindow = window.open(file, "rl","toolbar=0,location=0,left=50,top=10,directories=0,status=0,menubar=0,scrollbars=1,resizeable=0,copyhistory=0,width=630,height=550,");
	else  
		NewWindow = window.open(file, "rl","toolbar=0,location=0,left=50,top=10,directories=0,status=0,menubar=0,scrollbars=1,resizeable=0,copyhistory=0,width=640,height=560,");
}