window.onload = function(){
	$("#mb-pkkky-pkkky").click(
		function(){
			if(this.value=="Your email"){
				this.value=""
			}	
		}
	);
	$("#mb-pkkky-pkkky").blur(
		function(){
			if(this.value==""){
				this.value="Your email"
			}	
		}
	);
}