<!-- Check Form Before Sending-->

function VerifyData() {
if(document.forms[0].elements[0].value <= 0)
{
alert("Please fill in your name.");
return false;
}
if(document.forms[0].elements[1].value <= 0) 
{
alert("Please fill in your company's name.");
return false;
}
if(document.forms[0].elements[2].value <= 0) 
{
alert("Please fill in the Address field.");
return false;
}
if(document.forms[0].elements[4].value <= 0) 
{
alert("Please fill in the City field.");
return false;
}
if(document.forms[0].elements[5].value <= 0) 
{
alert("Please fill in the State field.");
return false;
}
if(document.forms[0].elements[6].value <= 0) 
{
alert("Please fill in the Zip Code field.");
return false;
}
if(document.forms[0].elements[7].value <= 0) 
{
alert("Please fill in your telephone number.");
return false;
}
if(document.forms[0].elements[10].value <= 0) 
{
alert("Please fill in the Comments field.");
return false;
}
else
return true;
}
// -->

<!-- Check Phone and Fax for Correct Characters-->
function validate(field) {
var valid = "0123456789()-+ "
var ok = "yes";
var temp;
for (var i=0; i<field.value.length; i++) {
temp = "" + field.value.substring(i, i+1);
if (valid.indexOf(temp) == "-1") ok = "no";
}
if (ok == "no") {
alert("Invalid Entry! Only the following characters are accepted: 0123456789()-+");
field.focus();
field.select();
   }
}
// -->