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

		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."));
				}
			}
		}
		
		for(var j=0; j < boxLink.length; j++) {			
				boxLink[j].onmouseover = function() {
					var images2 = this.getElementsByTagName("img");
					images2[0].setAttribute("src",images2[0].getAttribute("src").replace("_off.", "_on."));
				}
				boxLink[j].onmouseout = function() {
					var images3 = this.getElementsByTagName("img");
					images3[0].setAttribute("src", images3[0].getAttribute("src").replace("_on.", "_off."));
				}
		}
		
	}
}

function getElementsByClass(searchClass) {

   if (document.all) {
        var classElements = new Array();
        var allElements = document.all;
            for (i = 0, j = 0; i < allElements.length; i++) {
                if (allElements[i].className == searchClass) {
                    classElements[j] = allElements[i];
                    j++;
                }
            }    
   } else if (document.getElementsByTagName) {
        var classElements = new Array();
        var allElements = document.getElementsByTagName("*");
            for (i = 0, j = 0; i < allElements.length; i++) {
                if (allElements[i].className == searchClass) {
                    classElements[j] = allElements[i];
                    j++;
                }
            }        
   } else {
      return;
   }

    return classElements;
}

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