// JavaScript Document


function clearInput(value,default_value) {
	var target = document.getElementById(value);
	var current = target.value;
	target.onblur = function () {
		chkInput(target,default_value);
	}
	if(current==default_value) document.getElementById(value).value = '';
}

function chkInput(target,default_value) {
	if(target.value=='') target.value = default_value;
}