window.addEvent('domready', function() {

//common actions
var dt = $$('.defaultText');
dt.each(function(el,j){ 
	var defaultValues = new Array(); var i = 0;
	defaultValues[i] = el.value;
	el.addEvent('click',function(e){ 
		if(this.value == ''){
			this.value == defaultValues[j];
		}else{
			this.value = '';
		}
	});
});

});