function addClass(eleObj,classVal,toggle){
		if(toggle==true){//if class is to be added
			if(!eleObj.className){//if the 'class' attribute does not exist
				eleObj.className = classVal;
			}else if(eleObj.className && eleObj.className.indexOf(classVal)== -1){//if the 'class' attribute does exist then add value to existing value
				eleObj.className+=' ' + classVal;
			}
		}else if(toggle==false){//if class is to be removed
			var newClassVal=eleObj.className.replace(classVal,'');//replace classVal with empty string and return the remaining class value
			eleObj.className=newClassVal;
		}
}
function ieEleHover(parentEle,childEle){
	if(!parentEle){
		return;
	}
	this.re_ie6 =/MSIE 6.0/;
	if(this.re_ie6.test(navigator.userAgent)){//test for IE6 browser
		var eleArr = parentEle.getElementsByTagName(childEle);
		for(var i in eleArr){
			eleArr[i].onmouseover = function(){
				addClass(this,'ieHover',true);
			}
			eleArr[i].onmouseout = function(){
				addClass(this,'ieHover',false);
			}
		}
	}
}
function expComments(){
	if(document.getElementById('moreComms')){
		document.getElementById('moreComms').style.display = "none";
		document.getElementById('moreComLink').onclick = function(){
			var comsBox = document.getElementById('moreComms');
			
			if(comsBox.style.display == "none"){
				
				comsBox.style.display = "block";
				this.innerHTML = "More Comments ↑";
			}else{
				comsBox.style.display = "none";
				this.innerHTML = "More Comments ↓";
			}
			return false;
		}
	}
}
window.onload = function(){
	ieEleHover(document.getElementById('mainNav'),'li');
	expComments();
}