var p = 0;
   var k = 0;
   var v = 0;
   
   function show(name){
   		document.getElementById(name).style.visibility  = "visible";
   }
   
   function hide(name){
   		document.getElementById(name).style.visibility  = "hidden";
   }
   
   function options(){
   		if(k%2 == 1)
			hide("options");
		else
			show("options");
		k= k+1;
	}
	
	function toggleDiv(name){
		if($(name).getStyle('display') == 'none'){
			$(name).setStyle({display:'block'});
		}else{
			$(name).setStyle({display:'none'});
		}
	}
		
   
   function changePicture(name,end){
		document.getElementById(name).style.backgroundImage = 'url(tl_files/logo/v_logo_'+((p%end)+1)+'.jpg)';
		p = p+1;
	}
	
	function showContact(){
		if($('options').getStyle('visibility') == 'visible')
			$('options').setStyle({
				visibility: 'hidden'
								  });
		$('contact').setStyle({
				visibility: 'visible'
							  });
	}