// Function to check data and manipulate necessary fields before posting
function post_check()
{
	if(title_check() && url_check())
		return true;
	else
		return false;
}

// Function to check data and manipulate necessary fields before modifying
function modify_check()
{
	if(title_check() && url_check())
		return true;
	else
		return false;
}

// The following functions relate to specific fields within the posting/modfiying form
// Function to ensure that something has been entered in the title field
function title_check()
{
	// check that a title has been added
	if (document.form1.title.value == "" || (document.form1.title.value == document.form1._wb_placeholder_title.value))
	{
		alert("Please enter a Title.");
		return false;
	}
	else
		return true;
}

// If no content has been added, change the form's action and store value
function description_check()
{
	if (document.form1.description.value == "" || (document.form1.description.value == document.form1._wb_placeholder_description.value))
	{
		alert("Please enter a Description");
		return false;
	}
	return true;
}


// If url is just "http://" (the value given as a default when the form loads) reset it to ""
function url_check()
{
	if (document.form1.url.value == "http://")
		document.form1.url.value = "";
	return true;
}

function placeholderBack(name)
{
	var placeholder = eval("document.form1." + name);
	var defaultPlace = eval("document.form1._wb_placeholder_" + name + ".value");
		if(placeholder.value == '')
			placeholder.value = defaultPlace;
}

function remove_select(name)
{
	var placeholder = eval("document.form1." + name);
	var defaultPlace = eval("document.form1._wb_placeholder_" + name + ".value");
	
	if(placeholder.value == defaultPlace)
		placeholder.value = '';
	else
		placeholder.select();
}