// toggle between default input hint text and user input
var inputHint = new Class({
						  
	initialize: function(el) {	
		
		this.el           = el;
		this.defaultValue = el.value;
		
		this.el.setStyle('color','#999');
	
		this.el.addEvent('focus',function() {
									 
			if(this.el.value !== this.defaultValue) return;
			
			this.el.value = '';
			this.el.setStyle('color','#333');
			
		}.bind(this));
		
		this.el.addEvent('blur',function() {
									
			if(this.el.value == '') {
				
				this.el.setStyle('color','#999');
				this.el.value = this.defaultValue;	
				
			}
		}.bind(this));
	},
	setDefault: function() {
		this.el.setStyle('color','#999');
		this.el.value = this.defaultValue;
	}
});