var temp; var ie;

if (navigator.appName.indexOf("Explorer") > -1) { 
	ie = navigator.appVersion.substring(0,1); 
	if (navigator.appVersion.indexOf("5") > -1) {
		ie = 5
	}
}
else { ie = 0 }

function openpopup (url,name,w,h,switches,x,y) {
	var r  = "";
	var s  = "";
	var m  = "";
	var t  = "";
	var d  = "";
	var params  = "";

	if (!url) { url = "" } 
	if (!name) { name = "popup" }
	if (!w) { w = "width=600" } else { w = "width=" + w }

	if (!h) { h = ",height=400" } 
	else {
		
		if (ie && ie < 5) { h -= 20}
		h = ",height=" + h;
	}

	if (switches.indexOf("r") > -1 ) { r = ",resizable" }
	if (switches.indexOf("s") > -1 ) { s = ",scrollbars" }
	if (switches.indexOf("m") > -1 ) { m = ",menubar" }
	if (switches.indexOf("t") > -1 ) { t = ",toolbar" }
	if (switches.indexOf("d") > -1 ) { d = ",directories" }

	params = w + h + r + s + m + t + d;

	
	if (x && y && window.moveTo && screen) { 
		params += ",screenX=" + x + ",screenY=" + y;
	}

	
	if (ie == 0 || ie > 3 ) { 
		if (temp && !temp.closed) {
			temp.close();
			temp = "";
		}
	}

	
	newwin = window.open (url, name, params) 

	 
	if (window.focus) { newwin.focus() }

	temp = newwin;
	temp.name = "temp";
	newwin = "";
}





function closepopups () {
	if (ie == 0 || ie > 3 ) { 
		if (temp) {
				if (temp.close){  
				temp.close();
			}
		}
	}
}