var img1 = new Image();
img1.src = 'plus.gif';

var img2 = new Image();
img2.src = 'minus.gif';

//Browser Detection
	var bV = "";
	
	if(!document.all && document.getElementById)
		bV = "NS";
	else if(document.all)
		bV = "IE";
	else if(document.layers)
		bV = "NS";


function animateMenu(e) {
	var srcId, srcElement, srcEvent, targetElement;

	if(bV == "NS"){
		srcEvent = e.target;
	}
	else{
		srcEvent = window.event.srcElement;
	}	
		
		
	if (srcEvent.className.toUpperCase() == "LEVEL1"){
		srcID = srcEvent.id.substr(0, srcEvent.id.length-1);

		targetElement = document.getElementById(srcID + "s");
		srcElement = document.getElementById(srcID + "i");

  		if (targetElement.style.display == "none"){	  			
			targetElement.style.display = "";	
			srcElement.src=img2.src;
     		} 
     		else{     			
			targetElement.style.display = "none";	
			srcElement.src=img1.src;
     		}
  	}
}



function animateMenuSimple(e) {
	var srcId, srcEvent, targetElement;

	if(bV == "NS"){
		srcEvent = e.target;
	}
	else{
		srcEvent = window.event.srcElement;
	}	
				
	if (srcEvent.className.toUpperCase() == "LEVEL1"){
		srcID = srcEvent.id.substr(0, srcEvent.id.length-1);		

		targetElement = document.getElementById(srcID + "s");

  		if (targetElement.style.display == "none"){	  			
			targetElement.style.display = "";
     		} 
     		else{     			
			targetElement.style.display = "none";	
     		}
  	}
}