function survey_addLoadEvent(func)
{
	var oldonload = window.onload;
	if (typeof window.onload != 'function')
	{
		window.onload = func;
	}
	else
	{
		window.onload = function() {
			if (oldonload)
			{
				oldonload();
			}
			func();
		}
	}
}

function surveyLoadEvent() 
{
	if($('accordion0')) $('accordion0').hide();
	if($('accordion1')) $('accordion1').hide();
	if($('accordion2')) $('accordion2').hide();
	if($('accordion3')) $('accordion3').hide();
	if($('accordion4')) $('accordion4').hide();
	if($('accordion5')) $('accordion5').hide();
	
	if($('accordion0') && openOnStart) accordion(0);
};

var openOnStart;
survey_addLoadEvent(surveyLoadEvent);

var currentAccordion = -1;
function accordion(idx)
{
	if(idx == currentAccordion)
		return;
	if(currentAccordion > -1)	
		Effect.SlideUp('accordion'+currentAccordion,{duration:0.5});
		
	Effect.SlideDown('accordion'+idx,{duration:0.5});
	currentAccordion = idx;
}