function validate(){
var digits="0123456789"
var temp
if (document.contactus.Name.value=="") {
alert("Your Full Name is Required")
return false
}
if (document.contactus.cdoFrom.value=="") {
alert("Your Email Address is Required")
return false
}
if (document.contactus.Address.value=="") {
alert("Your Street Address is Required")
return false
}
if (document.contactus.City.value=="") {
alert("Your City is Required")
return false
}
for (var i=0;i<document.contactus.age.value.length;i++){
temp=document.contactus.age.value.substring(i,i+1)
if (digits.indexOf(temp)==-1){
alert("Invalid Age !")
return false
      }
   }
return true
}