// JavaScript Document

function submit1()
{
//alert('pple');
if(validate()==1) { document.SV_form.submit(); }
}

function validate() {
if (document.SV_form.firstname.value=='') { alert("Error: Please enter your first name");return 0; }
if (document.SV_form.surname.value=='') { alert("Error: Please enter your surname");return 0; } 
if (document.SV_form.address.value=='') { alert("Error: Please enter your address");return 0; } 
if (document.SV_form.email.value=='') { alert("Error: Please enter your email");return 0; } 
if (document.SV_form.telhome.value=='' && document.SV_form.telmobile.value=='' && document.SV_form.telwork.value=='')
{ alert("Error: Your must enter at least one phone number");return 0; } 
return 1;
}