function showHideAnswer()
	{
		var numericID = this.id.replace(/[^\d]/g,'');
		var obj = document.getElementById('a' + numericID);
		if(obj.style.display=='block'){
			obj.style.display='none';
		}else{
			obj.style.display='block';
		}		
	}
	
	
	function initShowHideContent()
	{
		var divs = document.getElementsByTagName('DIV');
		for(var no=0;no<divs.length;no++){
			if(divs[no].className=='question'){
				divs[no].onclick = showHideAnswer;
			}	
			
		}	
	}
	
	window.onload = initShowHideContent;

    function fnFechar_Todas() {
        var sClass = "answer";
        var rows = document.all.tags("div");
        if (rows) {
            for (var i = 0;i < rows.length;i++) {
                if ((rows[i].className != sClass) && (sClass != "")) {
                    rows[i].style.display = "block";
                } else {
                    rows[i].style.display = "none";
                }
            }
        }
    }


    function fnAbrir_Todas() {
        var sClass = "answer";
        var rows = document.all.tags("div");
        if (rows) {
            for (var i = 0;i < rows.length;i++) {
                if ((rows[i].className != sClass) && (sClass != "")) {
                    rows[i].style.display = "block";
                } else {
                    rows[i].style.display = "block";
                }
            }
        }
    }