function menuHvr(obj,hover){
	var objSrc, extSrc, bscSrc, newSrc;
	objSrc = obj.src;
	
	extSrc = objSrc.substr(objSrc.length-5,5);
	if(extSrc.substr(0,1) == "a"){
		bscSrc = objSrc.substr(0,objSrc.length-5);
	}else{
		bscSrc = objSrc.substr(0,objSrc.length-4);
	}
	if(hover == true)
		newSrc = bscSrc + "a.gif";
	else
		newSrc = bscSrc + ".gif";
	
	obj.src = newSrc;
	
}

function hide(targetId){
	  	if (document.getElementById){
	        target = document.getElementById(targetId);
	           if (target.style.display == "block"){
	              target.style.display = "none";}
	           else{
	           	target.style.display = "block";}
	     }	
		}