function isEmpty(thefield)
{
	var error = "";
	if(thefield.value == "")
	{
		error = thefield.name +" cannot be blank.\n";
	}
return error;
}

function isDifferent(thefield1, thefield2)
{
	var error = "";
	if(thefield1.value != thefield2.value)
	{
		error = thefield1.name +" is different from  confirm "+thefield1.name+".\n";
	}
return error;
}

function checkEmail(thefield)
{
	var error = "";
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if (filter.test(thefield.value))
	{
	}
	else
	{
		error = "enter a valid email address.\n";
	}
	
return error;
}

function checkDropdown(thefield)
{
    var error = "";
    if (thefield.value == "Null")
	{
       error = "You didn't choose an option from the " + thefield.name + " drop-down list.\n";
    }    
return error;
}

function validatefmsgboardform()
{
	if (document.fmsgboardform.msgboardid.value == "0")
	{
		alert ("Please select Message Board first.");
		return false;
    }
	return true;
}

function validatepmsgboardform()
{
	if (document.pmsgboardform.msgboardid.value == "0")
	{
		alert ("Please select Message Board first.");
		return false;
    }
	return true;
}

function validateforumform()
{
	if (document.forumform.forumid.value == "0")
	{
		alert ("Please select Forum first.");
		return false;
    }
	return true;
}

function validatesearchform()
{
	if ((document.searchform.searchtext.value == "") || (document.searchform.searchtext.value == "Search..."))
	{
		alert ("Enter some text before search");
		return false;
    }
	return true;
}

function validatephotogalleryform()
{
	if (document.photogalleryform.galleryid.value == "0")
	{
		alert ("Please select Photo Gallery first.");
		return false;
    }
	return true;
}

function validatearchivesform()
{
	if (document.archivesform.archives.value == "0")
	{
		alert ("Please select Archive first.");
		return false;
    }
	return true;
}

function validatemessageform()
{
	if (document.form1.message.value == "")
	{
		alert ("Please enter message before submitting.");
		return false;
    }
	return true;
}