<!--
function Cancel()
{
	var objForm = document.all["frmMain"];
	
	if ( objForm )
	{
		objForm.txtName.value = "";
		objForm.txtEmail.value = "";
		objForm.txtComment.value = "";
	}
}

function trim(str)
{
     return str.replace(/(^\s*)|(\s*$)/g, "");
}

function IsBlank(sValue)
{
	var sTemp = "";
	
	sTemp = trim(sValue);
	if ( sTemp.length <= 0 )
		return true;
	else
		return false;
}

function IsEmail(sValue)
{
	var reg, res;

	reg = /^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/i
	res = sValue.match(reg);

	if ( res == null )
		return false;
	else
		return true;	
}

function CheckInput()
{
	var objForm = document.all["frmMain"];
	
	if ( objForm )
	{
		if ( IsBlank(objForm.txtName.value) )
		{
			alert("Enter your name.");
			objForm.txtName.focus();
			return;
		}
		
		if ( IsBlank(objForm.txtEmail.value) )
		{
			alert("Enter your E-mail.");
			objForm.txtEmail.focus();
			return;
		}
		
		if ( IsBlank(objForm.txtContent.value) )
		{
			alert("Enter your comment.");
			objForm.txtComment.focus();
			return;
		}
		
		if ( !IsEmail(objForm.txtEmail.value) )
		{
			alert("Check your e-mail address and enter again.");
			return;
		}
	
		objForm.txtComment.value = ChangeForHTMLFormat(objForm.txtContent.value);
		objForm.submit();
	}
}


function ChangeForHTMLFormat(sValue)
{
	var re, res;
	
	re = /\n/g;
	return sValue.replace(re, "<br/>");
}	
-->
