ie4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4));

ie5 = ((navigator.appName == "Microsoft Internet Explorer") && (navigator.userAgent.indexOf("MSIE 5") != -1));

ie4Win = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4) && (navigator.userAgent.indexOf("Win")!=-1));

nn4 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4 ));

nn3 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) == 3 ));

nn = (nn3 || nn4);


function openwin(url,status,winwidth,winheight,name) {
	//var winwidth = winwidthnum;
	//var winheight = winheightnum;
	var scrollb = scroll
	var pageentry = url;
		if (!winwidth){
			winwidth = 470;
		}
		if (!winheight){
			winheight = 460;
		}
		screenWidth=screen.width;
		screenHeight=screen.height
		xpos= ((screenWidth/2)-(winwidth/2));
		ypos=((screenHeight/2)-(winheight/2));
		winname = name;
		if (winname == ""){
			winname = "displayPopup";
		}
		popupWinCount = 1;
		previousentry = url;
		if (status == ""){
			status = 'no';
		}
				
	if (nn4) {
		var winfeatures = "resizable=yes,menubar="+status+",scrollbars=1,status=no,titlebar=no,toolbar=no,location=no,width="+winwidth+",height="+winheight+",screenX="+xpos+",screenY="+ypos;
		popupWin = window.open(pageentry,winname,winfeatures);
		popupWin.focus();
	}
	else if (ie4) {
		if (scrollb == 1) {
		winwidth = winwidth - 0;
		winwidth = winwidth + 17;
		}
		var winfeatures = "resizable=yes,menubar="+status+",scrollbars=1,status=no,titlebar=no,toolbar=no,location=no,width="+winwidth+",height="+winheight+",left="+xpos+",top="+ypos;
		popupWin = window.open(pageentry,winname,winfeatures);
		if(ie5) popupWin.focus();
	}
	else if (nn3) {
		var winfeatures = "resizable=1,menubar=0,scrollbars=1,width="+winwidth+",height="+winheight;
		popupWin = window.open(pageentry,winname,winfeatures);
		popupWin.focus();
	}
	else {
		var winfeatures = "resizable=0,menubar=0,scrollbars=0,width="+winwidth+",height="+winheight;
		popupWin = window.open(pageentry,winname,winfeatures);
	}
}