function NoRealPopup(){
	leftPos = 0;
	topPos = 0;
		if (screen) {
		leftPos = (screen.width / 2) - 251;
		topPos = (screen.height / 2) - 162;
		}

	NoReal = window.open('NoReal_popup.htm','The DAVE Project','width=400,height=400,left='+leftPos+',top='+topPos);
	NoReal.focus();
}


function checkForReal(){
	try{
		var browser = "";
		var real = false;
		if (document.layers) { browser = "MozillaNetscape"; }
		else if (document.getElementById) { browser = "MozillaNetscape"; }
		else { browser = "Other"; }
		
		if (browser=="MozillaNetscape" || browser=="Other") {
				numPlugins = navigator.plugins.length;

				for (i = 0; i < numPlugins; i++) {
					plugin = navigator.plugins[i];
					if (plugin.name.substring(0,10)=="RealPlayer") { real=true; }
				}
			}
		
		if ( real == false ){NoRealPopup(); }
	} catch(e){/* do nothing*/}
}