// JavaScript Document


 
 function switchDescription(tabId, aId) {
	 	
      
		var object = document.getElementById(tabId);
		var linkNodes = object.parentNode.parentNode.childNodes;

		for (i=0;i<linkNodes.length;i++) {
			if(linkNodes[i].nodeName == 'LI'){
				var aNodes = linkNodes[i].getElementsByTagName("A");
				aNodes[0].className = "inactive"; 
			}
		}
		
	 	object.className = "active";

        var nodes = object.parentNode.parentNode.parentNode.childNodes;

        for (i=0;i<nodes.length;i++) {
                if ( (nodes[i].className == "tabdata") ) {
						
                        if (nodes[i].id==aId) {
                           nodes[i].style.visibility="visible"; 
                           nodes[i].style.display="block"; 
                        } else {
							nodes[i].style.visibility="hidden"; 
							nodes[i].style.display="none"; 
                        } 
                } 
        } 
}