function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


//Preload images first
MM_preloadImages('/res/menu/home_on.gif',
                  '/res/menu/ask_a_question.gif',
                  '/res/menu/answer_a_question.gif',
                  '/res/menu/edit_on.gif',
                  '/res/menu/help_on.gif',
                  '/res/menu/home_on.gif',
                  '/res/menu/login_on.gif',
                  '/res/menu/logout_on.gif',
                  '/res/menu/my_cp_on.gif',
                  '/res/menu/register_on.gif',
                  '/res/menu/top_10_questions_on.gif'
				  );


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//Detect browser and show css accordingly
/*
if((navigator.appName == "Netscape")&& (parseInt(navigator.appVersion) < 5))
	{
		document.write('<link rel="stylesheet" href="/res/ie.css" type="text/css">'); 
	}
	else
	{
		document.write('<link rel="stylesheet" href="/res/ie.css" type="text/css">'); 
	}
*/
// detect brower here it ends 

function getElementsByClassName(classname) {
	if (document.getElementsByTagName) {
		var els = document.getElementsByTagName("*");
		var c = new RegExp('/b^|' + classname + '|$/b');
		finale = new Array();
		var n=0;
		for (var i=0; i < els.length; i++) {
			if (els[i].className) {
				if(c.test(els[i].className)) {
					finale[n] = els[i];
					n++;
				}
			}
		}
		return finale;
	}
	return false;
}
var xmlhttps = Array();
function load(id,url,post) {
	msgdiv = document.getElementById(id);
	if (msgdiv) {
		msgdiv.innerHTML = 'Loading...';
	}
	if (document.all) {
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		xmlhttp = new XMLHttpRequest();
	}

	xmlhttps.push(xmlhttp);
	var method = post ? 'POST':'GET';
	xmlhttp.open(method, url,true);
	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4) {
			// deal with response
			var statustxt = '';
			if(xmlhttp.status == 200) {
				statustxt = xmlhttp.responseText;
			} else if(xmlhttp.status ==500) {
				//statustxt = 'Error ';
			} else {
				//statustxt = 'Unknown Response Code '+xmlhttp.status;
			}
			if (msgdiv) {
				msgdiv.innerHTML = statustxt;
				//window.scrollTo(0,0);
				if (match = /<script[^>]*>(.*)<\/script>/gi.exec(statustxt)) {
					//alert(match[1]);
					eval(match[1]);
				}
				//alert(url);
			}
		}
	}
	if (post) {
		xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
		xmlhttp.send(post);
	} else {
		xmlhttp.send(null)
	}
}

function load_textarea(id,url,post) {
	msgdiv = document.getElementById(id);
	if (msgdiv) {
		//msgdiv.innerHTML = 'Loading...';
	}
	if (document.all) {
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		xmlhttp = new XMLHttpRequest();
	}

	xmlhttps.push(xmlhttp);
	var method = post ? 'POST':'GET';
	xmlhttp.open(method, url,true);
	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4) {
			// deal with response
			var statustxt = '';
			if(xmlhttp.status == 200) {
				statustxt = xmlhttp.responseText;
			} else if(xmlhttp.status ==500) {
				//statustxt = 'Error ';
			} else {
				//statustxt = 'Unknown Response Code '+xmlhttp.status;
			}
			if (msgdiv) {
				msgdiv.value = statustxt;
				//window.scrollTo(0,0);
				if (match = /<script[^>]*>(.*)<\/script>/gi.exec(statustxt)) {
					//alert(match[1]);
					eval(match[1]);
				}
				//alert(url);
			}
		}
	}
	if (post) {
		xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
		xmlhttp.send(post);
	} else {
		xmlhttp.send(null)
	}
}

function winClose() {
	if (self.opener) {
		self.opener.window.focus();
	}
	window.close();
}

function moveOn() {
	if (self.opener) {
		self.setTimeout('winClose()', 5000)  
	}
}

function loginregistersubmit(form,str) {
	if (str == 'login')	{
		form.action = 'login.php';
	} 
	else{	
		form.action = 'register.php';
	}
	form.submit()
}

function toggleAnswer(atag,divid,textid,msg1,msg2) {
	if (atag) {
		atxt = atag.innerHTML;
		atag.innerHTML = atxt == msg1 ? msg2 : msg1;
	}
	div = document.getElementById(divid);
	texta = document.getElementById(textid);
	if (div) {
		curclass = div.className;
		curclass = curclass == 'answervisible' ? 'answerhidden' : 'answervisible';
		if (curclass == 'answervisible') {
			var els = getElementsByClassName('answervisible');
			if (els) {
				for (el in els) {
					el = els[el];
					el.className = 'answerhidden';
				}
			}
			div.className = curclass;
			texta.focus();			
		} 
		else {
			texta.value='';
			div.className = curclass;
		}
	}
}

function wordcount(textobj,displayobj) {
	var fullStr=textobj.value + " ";
	var initial_whitespace_rExp = /^[^A-Za-z0-9]+/gi;
	var left_trimmedStr = fullStr.replace(initial_whitespace_rExp, "");
	var non_alphanumerics_rExp = rExp = /[^A-Za-z0-9]+/gi;
	var cleanedStr = left_trimmedStr.replace(non_alphanumerics_rExp, " ");
	var splitString = cleanedStr.split(" ");
	var word_count = splitString.length -1;
	if (fullStr.length <2) {
		word_count = 0;
	}
	if (word_count == 1) {
		wordOrWords = " word";
	}
	else {
		wordOrWords = " words";
	}
	displayobj.innerHTML = word_count + wordOrWords;
}

function commentwordcount(textobj,displayobj) {
	var fullStr=textobj.value + " ";
	var initial_whitespace_rExp = /^[^A-Za-z0-9]+/gi;
	var left_trimmedStr = fullStr.replace(initial_whitespace_rExp, "");
	var non_alphanumerics_rExp = rExp = /[^A-Za-z0-9]+/gi;
	var cleanedStr = left_trimmedStr.replace(non_alphanumerics_rExp, " ");
	var splitString = cleanedStr.split(" ");
	var word_count = splitString.length -1;
	if (fullStr.length <2) {
		word_count = 0;
	}
	if (100 - word_count == 1) {
		wordOrWords = " word";
	}
	else {
		wordOrWords = " words";
	}
	if (100 - word_count < 0)
	{
		alert('You have reached max words!')
	}
	displayobj.innerHTML = (100 - word_count) + wordOrWords + ' left';
}