// JavaScript Document

function checkEmail(email) {
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email)) {
		return false;
	}
	else {
		return true;
	}
}

function clearText(field){
			if (field.defaultValue == field.value) field.value = '';
			else if (field.value == '') field.value = field.defaultValue;
		}
		
	
function checkSearch() {
	if((document.getElementById('keyword').value == "")||(document.getElementById('keyword').value == "product search..")) {
		alert('Please enter a search query');
		return false;
	}
	return true;
}