function findClass(str, el ){
	var parent = el || document;
	
	if (typeof parent.getElementsByClassName != 'undefined') {
		return parent.getElementsByClassName(str);
	}
	
    var list = new Array();
    var nodes = parent.getElementsByTagName('*');
     for (i = 0, c = nodes.length; i<c; i++) {
		 
      if (nodes[i].className != '' ) {
		var classes = nodes[i].className.split(' '), hasClass = false;
		
		for (var ii = 0, cc = classes.length; ii<cc; ii++) {
			if (classes[ii] && classes[ii] == str) {
				hasClass = true;
				break;
			}
		}
		
		if (hasClass) {
			list.push(nodes[i]);
		}
    
     }
    }
    return list;
}  






function queryString(parameter) { 
 	var loc = location.search.substring(1, location.search.length);
	var param_value = false;

	var params = loc.split("&");
	for (i=0; i<params.length;i++) {
    	param_name = params[i].substring(0,params[i].indexOf('='));
		if (param_name == parameter) {
        	param_value = params[i].substring(params[i].indexOf('=')+1)
      	}
  	}
  	if (param_value) {
      	return param_value;
  	} else {
      	return false; //Here determine return if no parameter is found
  	}
}
function questionsPlace() {
	var questionsPlace = queryString("theft");
	var maindiv = document.getElementById('maindiv')
	if(questionsPlace) {
		maindiv.className = 'content3 theft clearfix';
	}
}

function expand_collapse (categ){
	//var list = document.getElementsByClassName('body');
	var list = findClass('body', document.getElementById('list'));
	
	for(i=0, c = list.length; i<c; i++){list[i].style.display = 'none';}
  var whichpost = document.getElementById(categ);
  if (whichpost.style.display=="block") {
   whichpost.style.display="none";
  }
  else {
   whichpost.style.display="block";
  }
 }
 
function question (questid,element){
  //var quest = document.getElementsByClassName('quest');
  var quest = findClass('quest');
  
  for(i=0, c = quest.length; i<c; i++){quest[i].style.display = 'none';}
  //var quest2 = document.getElementsByClassName('left_quest');
  var quest2 = findClass('left_quest', document.getElementById('list'));
  for(i=0, c = quest2.length; i<c; i++){quest2[i].style.fontWeight = 'normal'; }
  if (element == 'qq1' || element == 'qq2' || element == 'qq3' || element == 'qq4'){ 
	  var qq = document.getElementById(element); 
	  qq.style.fontWeight = 'bold';
  }
  else if (element != ''){
  	element.style.fontWeight = 'bold';
  }
  else{
  }
  var whichpost = document.getElementById(questid);
  if (whichpost.style.display=="block") {
   whichpost.style.display="none";
  }
  else {
   whichpost.style.display="block";
  }
 }