function valueHandler(itemName,defaultValue){
	var itmh = this;
	this.item = document.getElementsByName(itemName)[0];
	this.defaultVal = defaultValue;
	this.clearItem = function(){
		if(itmh.item.value == itmh.defaultVal){
			itmh.item.value = '';
			}
		return;
		}
	this.control = function(){
		if(itmh.item.value == ''){
			itmh.item.value = itmh.defaultVal;
			}
		return;
		}
	if(this.item){
		if(document.attachEvent){
			this.item.attachEvent('onfocus',this.clearItem);
			this.item.attachEvent('onblur',this.control);
			}
		else{
			this.item.addEventListener('focus',this.clearItem,false);
			this.item.addEventListener('blur',this.control,false);
			}
		}
	return;
	}