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 OverviewTechnicalClick(ClickedHeader){
	ClickedHeader.className = 'active'
	if (ClickedHeader.id == 'OverviewHeader'){
		$('TechnicalHeader').className = 'inactive'
		$('ParameterHeader').className = 'inactive'
		$('OverviewText').className = 'VisibleText'
		$('TechnicalText').className = 'HiddenText'
		$('ParameterText').className = 'HiddenText'
	} else if (ClickedHeader.id == 'TechnicalHeader'){
		$('OverviewHeader').className = 'inactive'
		$('ParameterHeader').className = 'inactive'
		$('OverviewText').className = 'HiddenText'
		$('TechnicalText').className = 'VisibleText'
		$('ParameterText').className = 'HiddenText'
	} else if (ClickedHeader.id == 'ParameterHeader'){
		$('OverviewHeader').className = 'inactive'
		$('TechnicalHeader').className = 'inactive'
		$('OverviewText').className = 'HiddenText'
		$('TechnicalText').className = 'HiddenText'
		$('ParameterText').className = 'VisibleText'
	}
}

function SendEmail(URL) {
	new Ajax.Request(URL,
  {
   method: 'post',
   parameters: $('ContactForm').serialize(),
   onSuccess: function(transport){
    Response = transport.responseText.evalJSON()
		alert(Response.Message)
		if(Response.Success){
			$('SubmitButton').disabled = true
		}
  }
    
  });
}

function ToggleSendToFriendForm(){
	
	if ($('ContactForm').className == 'HiddenForm')
		$('ContactForm').className = 'VisibleForm'
	else
		$('ContactForm').className= 'HiddenForm'
}

function ToggleDownloads(){
	
	if ($('DownloadList').className == 'HiddenForm')
		$('DownloadList').className = 'VisibleForm'
	else
		$('DownloadList').className= 'HiddenForm'
}