function selectCheck(qid,answer){
	var yes_box = "question-"+qid+"-y";
	var no_box = "question-"+qid+"-n";
	var id = "quiz-"+qid;
	if(answer == 'y'){
		document.getElementById(no_box).className = "check-box";
		document.getElementById(yes_box).className = "check-box-active";
	}
	else if(answer == 'n'){
		document.getElementById(yes_box).className = "check-box";
		document.getElementById(no_box).className = "check-box-active";
	}
	document.getElementById(id).value = answer;
}
function validateform(){
	var get_value = "";
	var failed = "";
	var elem = document.getElementById('d-quiz').elements;
	for(i=0; i< elem.length; i++)
	{
		if (elem[i].disabled) {

		}
		else{
			get_value = elem[i].value
			if(get_value == ""){
				failed = "yes";
			}	
		}

	}
	if(failed=="yes"){
		alert("Please input an answer for every question.");
		return false;
	}
	else{
		return true;
	}

}
function getElementsByClass( searchClass, domNode, tagName) {
	if (domNode == null) domNode = document;
	if (tagName == null) tagName = '*';
	var el = new Array();
	var tags = domNode.getElementsByTagName(tagName);
	var tcl = " "+searchClass+" ";
	for(i=0,j=0; i<tags.length; i++) {
		var test = " " + tags[i].className + " ";
		if (test.indexOf(tcl) != -1)
			el[j++] = tags[i];
	}
	return el;
}
function showText(show){
	var divs =getElementsByClass("bubble-text", null, "div");
	    for(var i=0; i < divs.length; i++){
	      if(divs[i].className == 'bubble-text'){
	         divs[i].style.display = 'none';
	      }
	    }
	
	show = show.split(" ").join("-");
	show = show.split("'").join("");
	show = show.toLowerCase();
	document.getElementById(show).style.display = 'block';
}
function preLoader(){
	document.getElementById('pre-loaded').style.display = 'none';
}
function hideFlash(){
	document.getElementById('flash-intro').style.display = 'none';
}