function isEmail(string) {
   if (!string) return false;
   var iChars = "*|,\"<:>[]{}`\';()&$#%";
   for (var i = 0; i < string.length; i++) {
      if (iChars.indexOf(string.charAt(i)) != -1)
         return false;
   }
   return true;
}                      

function isReady(form) {
	if (form.Name.value=="") {
        alert("Please enter Your Name.");
        form.Name.focus();
        return false;
    }
	    if (isEmail(form.email.value) == false) {
        alert("Please enter a valid Email Address.");
        form.email.focus();
        return false;
    }
        if (form.Location.value=="") {
        alert("Please enter Your Location.");
        form.Location.focus();
        return false;
    }
        if (form.Message.value=="") {
        alert("Please enter Your Message.");
        form.Message.focus();
        return false;
    }
    return true;
}

function isEmail(string) {
    if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
        return true;
    else
        return false;
}