function watermark(myInput,word){
	if(myInput.value==word){
		myInput.value='';
	}
	myInput.word=word;
	myInput.onblur=function(){
		if(this.value==''){
			this.value=this.word;
		}
	}
}

/*function addClass(myInput){
	this.addClassName('activate');
}



function removeClass(myInput){
	this.myInput=myInput;
	myInput.removeClassName('activate');
}
*/