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

function top_post_check()
{
	if(title_check() && type_check() && summary_check() && main_check() && contributor_check() && source_check() && url_check())
		return true;
	else
		return false;
}

function modify_check()
{
	if(title_check() && summary_check() && main_check() && contributor_check() && source_check() && url_check() && expiry())
		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.forms[0].title.value == "" || (document.forms[0].title.value == document.forms[0]._wb_placeholder_title.value))
	{
		alert("Please enter a Title.");
		return false;
	}
	else
		return true;
}

function category_check()
{
		if (document.forms[0].category.options[document.forms[0].category.selectedIndex].value == "")
		{
			alert("Please select a Category");
			return false;
		}
		else
			return true;
}	

function sector_check()
{
	if (document.forms[0].approved)
	{
		var nodes = this.document.getElementsByName('sector');
		var checkIt = 0;
		for (var i=0; i<nodes.length; i++) {
			if (nodes[i].checked == true)
				checkIt = 1;
		}
		if (checkIt == 0)
		{
			alert("Please select a Sector");
			return false;
		}	
		else
			return true;
	}
	return true;
}

function type_check()
{
	if ((document.forms[0].topstory.checked == false) && (document.forms[0].featured_news.checked == false))
	{
		alert("Please select a Type");
		return false;
	}
	else
		return true;
}

function state_check()
{
	if (document.forms[0].approved)
	{
		var nodes = this.document.getElementsByName('state');
		var checkIt = 0;
		for (var i=0; i<nodes.length; i++) {
			if (nodes[i].checked == true)
				checkIt = 1;
		}
		if (checkIt == 0)
		{
			alert("Please select a State");
			return false;
		}	
		else
			return true;
	}
	return true;
}

// If no summary has been added, change the form's action and store value
function summary_check()
{
	if (document.forms[0].description.value == "" || (document.forms[0].description.value == document.forms[0]._wb_placeholder_description.value))
	{
		alert("Please enter a Summary");
		return false;
	}
	return true;
}		

// If no main message has been added, change the form's action and store value
function main_check()
{
	if (document.forms[0].content.value == "" || (document.forms[0].content.value == document.forms[0]._wb_placeholder_content.value))
	{
		alert("Please enter a Main message");
		return false;
	}
	return true;
}

function contributor_check()
{
	// check that a title has been added
	if (document.forms[0].contributor.value == "" || (document.forms[0].contributor.value == document.forms[0]._wb_placeholder_contributor.value))
	{
		alert("Please enter a Contributor.");
		return false;
	}
	else
		return true;
}

function source_check()
{
	// check that a title has been added
	if (document.forms[0].source.value == "" || (document.forms[0].source.value == document.forms[0]._wb_placeholder_source.value))
	{
		alert("Please enter a Source.");
		return false;
	}
	else
		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.forms[0].url.value == "http://")
		document.forms[0].url.value = "";
	return true;
}

function expiry()
{
	if (document.forms[0].expires.value == '' || (document.forms[0].expires.value == document.forms[0]._wb_placeholder_expires.value))
	{
		if(document.forms[0].calendar)
		{
			if (document.forms[0].calendar.value != '' && (document.forms[0].calendar.value != document.forms[0]._wb_placeholder_calendar.value))
				document.forms[0].expires.value = document.forms[0].calendar.value;
		}
	}
	return true;
}

function isDateValid(name)
{
	var doThis = eval("document.forms[0]." + name + ".value");
	if (doThis != '')
	{
		if (name == "expires")
			return isFutureDate(doThis,'Date to Remove from News');
		else if (name == "calendar")
			return isFutureDate(doThis,'Calendar');
	}
	placeholderBack(name)
}

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();
}

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


function related_check() {
	var theform = document.forms[0];
	if (theform.dol_article_title_01.value != "" ||
			theform.dol_article_title_02.value != "" ||
			theform.dol_article_title_03.value != "" ||
			theform.dol_article_url_01.value != "" ||
			theform.dol_article_url_02.value != "" ||
			theform.dol_article_url_03.value != "" ||
			theform.dol_links_title_01.value != "" ||
			theform.dol_links_title_02.value != "" ||
			theform.dol_links_title_03.value != "" ||
			theform.dol_links_url_01.value != "" ||
			theform.dol_links_url_02.value != "" ||
			theform.dol_links_url_03.value != "") {
		theform.nothing_related.value = 0;
	}
}