function emptyvalidation(entered, alertbox)

{

with (entered)

{

if (value==null || value=="")

{if (alertbox!="") {alert(alertbox);} return false;}

else {return true;}

}

} 









function emailvalidation(entered, alertbox)

{

with (entered)

{

apos=value.indexOf("@"); 

dotpos=value.lastIndexOf(".");

lastpos=value.length-1;

if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2) 

{if (alertbox) {alert(alertbox);} return false;}

else {return true;}

}

} 









function formvalidation(thisform)

{

with (thisform)

{

if (emptyvalidation(name,"Error ! You must enter your Full Name !")==false) {name.focus(); return false;}

if (emptyvalidation(phone_no,"Error ! You must enter your Phone !")==false) {phone_no.focus(); return false;}

if (emptyvalidation(email,"Error ! You must enter your Email Address !")==false || emailvalidation(email,"Error ! Please provide with your valid Email Address !")==false) {email.focus(); return false;}

if (emptyvalidation(enquiry,"enquiry ! You must type your enquiry about !")==false) {enquiry.focus(); return false;}

if (emptyvalidation(number,"Error ! You must type the code shown in the image !")==false) {number.focus(); return false;}

//if (emailvalidation(email,"Error ! Please provide with your valid Email Address !")==false) {email.focus(); return false;}





else

{

	document.thisform.mail_sent();

}



}

}