function validprop(){
	// Make quick references to our fields
	var prop = document.getElementById("property");

	// Check each input in the order that it appears in the form!
	if(isAlphabetnum(prop, "Please use only letters, numbers and spaces in your Property name")){

							return true;
						}

		return false;

}

function isAlphabetnum(elem, helperMsg){
	var alphaExp = /^[a-zA-Z0-9\s]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}
		alert(helperMsg);
		elem.focus();
		return false;

}