function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function fnCheckForm() {
	var email = document.getElementsByName('email')[0];
	var mobile = document.getElementsByName('phone')[0];
	var submit_button = document.getElementsByName('submit_button')[0];
	if (email.value.length > 0)
	{
		submit_button.disabled = false;
	}
	if (mobile.value.length > 0)
	{
		submit_button.disabled = false;
	}
}

function formValidator(){
	var searWords = document.getElementById('searWords');
	if(isAlphanumeric(searWords, "Alphanumeric only please")){	
	return true;
	}
	return false;
}

function isAlphanumeric(elem, helperMsg){
	var alphaExp = /^[ 0-9a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}else{
		alert(helperMsg);
		elem.focus();
		return false;
	}
}