function setContent () {
	if (self.innerWidth)
	{
		frameHeight = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientWidth)
	{
		frameHeight = document.documentElement.clientHeight;
	}
	else if (document.body)
	{
		frameHeight = document.body.clientHeight;
	}
	else return;
	
	var otherContentHeight = 207;
	
	var wrapperElement = document.getElementById('wrapper');
	var contentElement = document.getElementById('content');
	var sidebarElement = document.getElementById('sidebar');
	
	if ((wrapperElement.offsetHeight + otherContentHeight) < frameHeight)
	{
		contentElement.style.height = ((frameHeight - otherContentHeight) - 91) + "px";
	}
	else {contentElement.style.height = "auto";}
	
	style_set_alter();
}

function controller () {
	var contentElement = document.getElementById('content');
	
	if (contentElement.style.height == "auto") {
		setContent();
	} else {
		contentElement.style.height = "auto";
	}
}

function imgover (id, direction) {
	var src = document.getElementById(id).src
	if (direction == "on") {
		var rawsrc = src.substr(0, src.length-8);
		document.getElementById(id).src = rawsrc + "_on.png";
	} else {
		var rawsrc = src.substr(0, src.length-7);
		document.getElementById(id).src = rawsrc + "_off.png";
	}
}

function toogleHeight (id, value1, value2) {
	vista = (document.getElementById(id).style.height == value1) ? value2 : value1;
	document.getElementById(id).style.height = vista;
	setContent();
}

function switchClassName (id, class1, class2) {
	style = (document.getElementById(id).className == class1) ? class2 : class1;
	document.getElementById(id).className = style;
}

function toogleDisplay (id) {
	vista = (document.getElementById(id).style.display == 'none') ? 'block' : 'none';
	document.getElementById(id).style.display = vista;
	setContent();
}

function footerMail (pre, after, title) {	
	document.write('<li><a href="mailto:' + pre + '@' + after + '" title="' + title + '"><img src="images/common/shortcut-email.png" /></a></li>');
}

function checkSearchForm (errorMessage)
{
	if (!document.search.search.value)
	{
		alert(errorMessage);
		return false;
	} else return true;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function style_set_alter(style) {
	if (!style) {
		style = readCookie('mediaserver_stylesheet') || 1;
	}
	var i, lnk;
	for( i = 0; (lnk = document.getElementsByTagName("link")[i]); i++ ) {
		if ( lnk.getAttribute('rel').indexOf('style') != -1 && lnk.getAttribute('title') ) {
			lnk.disabled = ( lnk.getAttribute('id') == 'font_' + style ) ? false : true;
			if ($('button_' + lnk.getAttribute('id'))) {
				$('button_' + lnk.getAttribute('id')).src = '/images/site/button_' + lnk.getAttribute('id') + '_' + ( ( lnk.getAttribute('id') == 'font_' + style ) ? 'on' : 'off' ) + '.gif';
			}
		}
	}
	createCookie('mediaserver_stylesheet', style);
}

var legendWin;
function createWin(url,width,height,scrollable) {

	var left = (screen.width - width) / 2;
	var top = (screen.height - height) / 2;
	if(legendWin == null || legendWin.closed) {
		var props = "resizable,scrollbars=" + scrollable + ",left=" + left + ",top=" + top + ",width=" + width + ",height=" + height;
		legendWin = window.open(url, "legend", props);
		legendWin.focus();
	} else {
		legendWin.close();
		var props = "resizable,scrollbars=" + scrollable + ",left=" + left + ",top=" + top + ",width=" + width + ",height=" + height;
		legendWin = window.open(url, "legend", props);
		legendWin.focus();
	}
}

function viewfaqcategory (id,categories) {
	var contentElement = document.getElementById('content');
	if (document.getElementById(id).style.display == "block") { document.getElementById(id).style.display = "none"; setContent(); }
	else { document.getElementById(id).style.display = "block"; contentElement.style.height = "auto"; }	
}