/* Show Hide a Block - The Trigger Must Be an H2 Element */
window.onload= function() {
	var triggers= document.getElementsByClassName("hiddenTxtContainer")[0].getElementsByTagName("h2");
	var hideshow;
	for(var i=0; i< triggers.length; i++) {
		document.getElementsByClassName(triggers[i].getAttribute('id'))[0].style.display='none';
		triggers[i].className="arrow_up";
		triggers[i].onclick = function() {
			hideshow= document.getElementsByClassName(this.getAttribute('id'))[0];
			if(this.className == 'arrow_down') {
				hideshow.style.display='none';this.className = 'arrow_up';
			}
			else {
				hideshow.style.display='block';this.className = 'arrow_down';
			}
		}
	}
}
document.getElementsByClassName = function(cl) {
	var retnode = [];
	var myclass = new RegExp('\\b'+cl+'\\b');
	var elem = this.getElementsByTagName('*');
	for (var i = 0; i < elem.length; i++) {
	var classes = elem[i].className;
	if (myclass.test(classes)) retnode.push(elem[i]);
	}
	return retnode;
};