function validate() {

if(document.myform.myname.value=="") {
alert("Please enter your Name");
document.myform.myname.focus();
return false;

}

else if((document.myform.myemail.value.indexOf("@")==-1)||(document.myform.myemail.value.indexOf(".")==-1)) {
alert ("Please enter your Email address")
document.myform.myemail.focus();
return false;

}
else if(document.myform.myenquiry.value.length<5) {
alert ("Please enter your enquiry")
document.myform.myenquiry.focus();
return false;
}



}