function setCallMe(){
	if(document.getElementById('callMeMsg')){
		var linkArr = document.getElementById('callMeMsg').getElementsByTagName('a');
		linkArr[0].onclick = function(){
			addClass(document.getElementById('callMeMsg'),'hideEle',true);
			addClass(document.getElementById('callMe'),'hideEle',false);
		}
	}
}

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 setNavLinks(){
	var liArr = document.getElementById('mainNav').getElementsByTagName('li');
	for(var i = 0; i < liArr.length; i++){
		liArr[i].onmouseover = function(){
			//alert('hello');
			addClass(this,'ieHover',true)
		}
		liArr[i].onmouseout = function(){
			//alert('hello');
			addClass(this,'ieHover',false)
		}
	}
}
window.onload =function(){
	setCallMe();
	setNavLinks();
}