function checkbro(element, color){
   		   tab = $(element);
		   if(tab){
		   if (window.navigator.appName == "Netscape"){
		   tab.setAttribute("bgcolor", color); 
		   		       }
					   }else{
					   return;
					   }
			   				    
		   }
function tdset(element, width){
   		   td = $(element);
		   if(td){
		   if (window.navigator.appName == "Netscape"){
		   td.setAttribute("width", width); 
		   		       }
					   }else{
					   return;
					   }
			   				    
		   }
		   function al(){
		   var td = $$('#co td');
		   td.each(function(s){ s.setAttribute("align", "center");})
		   				}
						
						
		 function openblock(element){
		 var el = $(element);
		 var div = $$('div.opened');
		 	 	   					div.each(function(s){ s.style.display = "none";})
		    						 // alert(el.style.display);
		   							 el.style.display = "block";

}

function hide_all(){
	//divs = $('a_0');
	divs = document.getElementsByClassName('demo');
	Zapatec.Effects.hide('a', 195, 'fade');
	//alert(divs);
	for(var i=0; i<=divs.length; i++){
	//alert(i);
	Zapatec.Effects.hide('a_' + i, 195, 'fade');
	}	 
	}