function divswitchto(x,state)
	{
	if (document.all)
		{ //IS IE 4 or 5 (or 6 beta)
		eval('document.all.' + x + '.style.display = state');
		}
	if (document.layers)
		{ //IS NETSCAPE 4 or below
		document.layers[x].display = state;
		}
	if (document.getElementById &&!document.all)
		{
		hza = document.getElementById(x);
		hza.style.display = state;
		}
	}

function divactivate(x)
	{
	divswitchto('categories','none');
	divswitchto('designers','none');
	divswitchto('photographers','none');
	divswitchto('resources','none');
	divswitchto(x,'block');
	setCookie('dttoptab',x);
	}

function searchactivate(x)
	{
	divswitchto('simplesearch','none');
	divswitchto('complexsearch','none');
	divswitchto(x,'block');
	}

function switchsearchon()
	{
	divswitchto('complexsearch','block');
	divswitchto('searchmore','none');
	divswitchto('searchless','block');
	document.searchfrm.searchmode.value='complex';
	}

function switchsearchoff()
	{
	divswitchto('complexsearch','none');
	divswitchto('searchless','none');
	divswitchto('searchmore','block');
	document.searchfrm.searchmode.value='simple';
	}

function resetsearch()
	{
	document.searchfrm.srh_field.value = 'enter keyword';
	
	document.searchfrm.searchtype[0].checked = true;
	document.searchfrm.searchtype[1].checked = false;
	document.searchfrm.searchtype[2].checked = false;
	
	document.searchfrm.searchmatch[0].checked = true;
	document.searchfrm.searchmatch[1].checked = false;
	
	document.searchfrm.searchexclude.value = '';	
	document.searchfrm.searchphotographer.value = '';	
	document.searchfrm.searchmr.checked = false;	
	document.searchfrm.searchresfrom.value = '0';	
	document.searchfrm.searchresto.value = '10000';	
	
	document.searchfrm.searchimage.checked = false;	
	document.searchfrm.searchillustration.checked = false;	
	document.searchfrm.searchcolor.checked = false;	
	document.searchfrm.searchmonochrome.checked = false;	
	document.searchfrm.searchportrait.checked = false;	
	document.searchfrm.searchlandscape.checked = false;	
	document.searchfrm.searchsquare.checked = false;	
	document.searchfrm.searchpanorama.checked = false;			
	document.searchfrm.searchlevel1.checked = false;
	document.searchfrm.searchlevel2.checked = false;	
	document.searchfrm.searchlevel3.checked = false;		
	
	}

function reverse_act(frm,div)
	{	 
	divswitchto(div,document.frm.rev.value)
	if (document.frm.rev.value=='block') document.frm.rev.value='none';
	else document.frm.rev.value='block';
	}

function divactivatem(a)
	{
	if(a==1)
		{
		divswitchto("inc1",'block');
		divswitchto("inc2",'none');
		divswitchto("inc3",'block');
		divswitchto("inc4",'none');
		divswitchto("dl2",'none');
		divswitchto("dl1",'block');
		}
	if(a==2)
		{
		divswitchto("inc4",'block');
		divswitchto("inc3",'none');
		divswitchto("inc2",'block');
		divswitchto("inc1",'none');
		divswitchto("dl1",'none');
		divswitchto("dl2",'block');
		}
	return false;
	}

function divactivatem(a)
	{
	if(a==1)
		{
		divswitchto("inc1",'block');
		divswitchto("inc2",'none');
		divswitchto("inc3",'block');
		divswitchto("inc4",'none');
		divswitchto("dl2",'none');
		divswitchto("dl1",'block');
		}
	if(a==2)
		{
		divswitchto("inc4",'block');
		divswitchto("inc3",'none');
		divswitchto("inc2",'block');
		divswitchto("inc1",'none');
		divswitchto("dl1",'none');
		divswitchto("dl2",'block');
		}
	return false;
	}