function clearText(field){

if (field.defaultValue == field.value) field.value = "";
else if (field.value == "") field.value = field.defaultValue;

}

function check(input){
var check =isNaN(input);
if ( check == true) {
window.alert("Enter a Numeric Value !");

return false;
} }

function validate(inputb) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = inputb;
   if(reg.test(address) == false) {
      alert('Invalid Email Address');
      return false;
   }
}

function checkform() {

if(document.forms[0].name.value=="" ||document.forms[0].name.value=="  Name") {
window.alert("Enter your name"); return false;
} 

if(document.forms[0].email.value=="" || document.forms[0].email.value=="  E-mail"){
window.alert("Enter an Email Address"); return false;
}
if(document.forms[0].phone.value=="" || document.forms[0].phone.value=="  Phone Number") {
window.alert("Enter a Phone Number"); return false;
}


if (document.forms[0].security_code.value=="" || document.forms[0].security_code.value=="Type left Security Code"){
window.alert("Enter the security Code"); return false;
}






else window.alert (" Submit Form "); return true;

}