function resetFields(whichform){
	for(var i=0; i<whichform.elements.length; i++){
		var element=whichform.elements[i];
		if(element.type == "submit") continue;
		if(!element.defaultValue) continue;
		element.onfocus=function(){
			if(this.value==this.defaultValue){
				this.value="";
			}
		}
		element.onblur=function(){
			if(this.value==""){
			this.value=this.defaultValue;
			}
		}
	}
}

function prepareForms(){
	for(var i=0; i<document.forms.length; i++){
		var thisform = document.forms[i];
		resetFields(thisform);
	}
}



function addLoadEvent(func){
	var oldonload = window.onload;
	if(typeof window.onload != 'function'){
		window.onload = func;
	}else{
		window.onload = function(){
			oldonload();
			func();
		}
	}
}

addLoadEvent(prepareForms);