function agregar(){
if ((navigator.appName=="Microsoft Internet Explorer") && (parseInt(navigator.appVersion)>=4)) {
var url="http://www.iesribalta.net";
var titulo="IES F.Ribalta";
window.external.AddFavorite(url,titulo);
}
else {
if(navigator.appName == "Netscape") 
alert ("Pressiona Ctrl+D per a agregar aquest lloc als teus 'Bookmarks'");
}
}
	
	function newWindow(bookgif) {
		bookWindow = window.open(bookgif,'bookWin','resizable=1,width=275,height=350,left=0,top=0')
		bookWindow.focus()
	}
	
	function gothere(mname){
		var thisform = mname;
		if (thisform.selectsite.options[thisform.selectsite.options.selectedIndex].value != "nolink") 
		{window.open(thisform.selectsite.options[thisform.selectsite.options.selectedIndex].value);}
	}