function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}



var m =0;

function bo(x){

 if(document.getElementById){

  if(m!=0 && m==x){
   document.getElementById(m).style.display="none";
   m=0;
  }
  else{
   if(m!=0){
    document.getElementById(m).style.display="none";
   }
   document.getElementById(x).style.display="block";
   m=x;
  }
 }

 else if(document.all){
  if(m!=0 && m==x){
   document.all(m).style.display ="none";
   m=0;
  }
  else{
   if(m!=0){
    document.all(m).style.display = "none";
   }
   document.all(x).style.display = "block";
   m=x;
  }
 }
}