var AdvancedSearchVisible = false;
var FirstArtistsLoaded = false;

function layout()
	{
		
		if (AdvancedSearchVisible)
		{
			document.getElementById('advancedSearch').style.display = "none";
			document.formsearch.advsrch.value = "none";
			toggleOnOff('on');				
			
		}
		else
		{
			document.getElementById('advancedSearch').style.display = "block";
			document.formsearch.advsrch.value = "block";
			toggleOnOff('off');
					
		}
	}
		
// Toggle Advance Search Panel
function toggleAdvancedSearch()
	{	
		AdvancedSearchVisible = AdvancedSearchVisible ? false : true;
		
	}
		
// Toggles the On/Off of the more search options link
function toggleOnOff(OnOrOff)
	{
		if(OnOrOff == 'on')
		{
			document.getElementById('linkTurnOnOff').innerHTML = vTurnOn;
		}
		else
		{
			runiframeartists ();
			document.getElementById('linkTurnOnOff').innerHTML = vTurnOff;
		}
	}
			
function runiframeartists () {
	if (!FirstArtistsLoaded) {
		if (navigator.userAgent.indexOf("Firefox") != -1) {
			document.getElementById('artists').style.height = '126px';
		}

		if (document.getElementById('artists')) {
			document.getElementById('artists').src = 'x4.asp?l=AZ';
		}
		else if (window.frames.artists) {
			window.frames.artists.location.href = 'x4.asp?l=AZ';
		}
		else if (window.frames["artists"]) {
			window.frames["artists"].location.href = 'x4.asp?l=AZ';
		}

		FirstArtistsLoaded = true;
	}
}	

// Tate Images Competition Terms and Conditions
function terms()
		{
		var w, h;
		w = (screen.width / 2) - 400;
		h = (screen.height / 2) - 300;
		h = 50;
		window.open("textfiles/CompetitionTermsAndConditions.htm","terms","scrollbars=yes,resizable=yes,toolbar=no,menubar=no,directories=no,height=400,width=600,top="+h+",left="+w);
		}