function extendedSearchOpen(){
	document.getElementById("linkextendedsearch").style.display = "none";
	document.getElementById("linksimplesearch").style.display = "inline";
	document.getElementById("extendedsearch").style.display = "block";	
}

function extendedSearchClose(){
	document.getElementById("linkextendedsearch").style.display = "inline";
	document.getElementById("linksimplesearch").style.display = "none";
	document.getElementById("extendedsearch").style.display = "none";
}

function openCalendar(popupurl,popuptitle){
	calendar = window.open(popupurl,popuptitle,'width=150,height=170,scrollbars=no,location=no,menubar=no,status=no,resizable=no');
}

function openNewWindow(url){
	window.open(url,'_blank','');
}