function validateSupportForm(form){	
	p=form.Email.value.indexOf('@');
        if (p<1 || p==(form.Email.length-1)){
        	alert('Please enter a valid email address for us to contact you\nabout your support request.');
        	return false;
        }
        else if (form.OperatingSystem.value==''){
        	alert('Please select an operating system.');
        	return false;
        }
        else if (form.ProductName.value==''){
        	alert('Please select a product.');
        	return false;
        }
        else if (form.VersionNumber.value==''){
       	alert('Please enter product version number.\nYou can find version number in the About box of the product.');
        	return false;
        }
        else if (form.ProblemDescription.value==''){
        	alert('Plesse describe your problem.');
        	return false;
        }
        return true;
}