// JavaScript Document
function checkValid(f)
{
	if(Trim(f.vName.value)=="")
	{
		alert("Please enter your Name");
		f.vName.value = '';
        f.vName.focus();
		return false;
	}
	if(Trim(f.vEmail.value)=="")
	{
	    alert("Please enter your Email Address");
		f.vEmail.value = '';		
		f.vEmail.focus();
		return false;
	}
	
	if(!isValidEmail(f.vEmail.value))
	{
	    f.vEmail.select();
		return false;
	}
	
    if(Trim(f.vPhone.value) != '')
	{
		if(!phoneformate(f.vPhone.value,f.vPhone.value.length))
		{
			alert("Please enter your valid Phone Number");
			f.vPhone.select();
			return false;
		}
	}
	if(f.eTopic.value=="")
	{
	    alert("Please select a Topic");
		f.eTopic.value = "";
        f.eTopic.focus();
		return false;
	}
	if(Trim(f.vComment.value)=="")
	{
	    alert("Please enter your Comments");
		f.vComment.value = "";
        f.vComment.focus();
		return false;
	}
}