function checkvalid()
{
	if(document.formContact.Topic.value == "")
	{
		alert("Please Select Topic");
		document.formContact.Topic.focus();
		return false;
	}
	if(document.formContact.Topic.value == "Product")
	{
		if(Trim(document.formContact.ItemSKU.value)=="")
		{
			alert("Please Enter Your ItemSKU");
			document.formContact.ItemSKU.focus();
			return false;
		}
	}
	if(document.formContact.Topic.value == "Order")
	{
		if(Trim(document.formContact.OrderNo.value)=="")
		{
			alert("Please Enter Your OrderNo");
			document.formContact.OrderNo.focus();
			return false;
		}
	}
	if(Trim(document.formContact.name1.value)=="")
	{
		alert("Please Enter Your Name");
		document.formContact.name1.focus();
		return false;
	}
	if(Trim(document.formContact.phone.value)=="")
	{
		alert("Please Enter Your Phone");
		document.formContact.phone.focus();
		return false;
	}
	if(!phoneformate(document.formContact.phone.value,document.formContact.phone.value.length))
		{
			alert("Please Enter Valid Phone Number");
			document.formContact.phone.select();
			return false;
		}
	if(Trim(document.formContact.email.value)=="")
	{
		alert("Please Enter Your Contact Email");
		document.formContact.email.focus();
		return false;
	}
	
	if(!isValidEmail(document.formContact.email.value))
	{
		document.formContact.email.select();
		return false;
	}
	if(Trim(document.formContact.subject.value)=="")
	{
		alert("Please Enter Subject");
		document.formContact.subject.focus();
		return false;
	}
	if(Trim(document.formContact.comments.value)=="")
	{
		alert("Please Type Your Comments");
		document.formContact.comments.focus();
		return false;
	}
}