//****************************************************************
// These functions are used for form validation
// Jeff Chew
//****************************************************************

// function to check for a valid email. if invalid, returns false.
function checkEmail(oElem){
	if (oElem.value.indexOf("@",0) == -1 || oElem.value.indexOf(".",0) == -1){
		oElem.focus();
		return false;
	}
}

// function to check a text field. if empty, returns false.
function checkText(oElem){
	if (oElem.value == ""){
		oElem.focus();
		return false;
	}
}

//Limit length of text area
//usage: <textarea onKeyDown="textAreaLimit(this,1024);" onKeyUp="textAreaLimit(this,1024);">blah</textarea>
function textAreaLimit(field, maxlimit){
    if (field.value.length > maxlimit){
        field.value = field.value.substring(0, maxlimit);
//        alert("You have exceeded the maximum limit of " + maxlimit +" characters.");
    }
}