messageObj = new DHTML_modalMessage();	// We only create one object of this class
messageObj.setShadowOffset(5);	// Large shadow


function displayMessage(url, width, height)
{

	messageObj.setSource(url);
	messageObj.setCssClassMessageBox(false);
	messageObj.setSize(width,height);
	messageObj.setShadowDivVisible(true);	// Enable shadow for these boxes
	messageObj.display();
	
}

function displayStaticMessage(messageContent,cssClass, width, height)
{
	messageObj.setHtmlContent(messageContent);
	messageObj.setSize(width, height);
	messageObj.setCssClassMessageBox(cssClass);
	messageObj.setSource(false);	// no html source since we want to use a static message here.
	messageObj.setShadowDivVisible(false);	// Disable shadow for these boxes
	messageObj.display();
}

function closeMessage()
{
	messageObj.close();
}
var ad_text_no = 1;

function update_ad_text()
{
	return true;
	var ad_text_array = new Array('BITSAT Test Series', 'AFMC Test Series','GGSIPU Test Series','AIIMS Test Series','K-CET Test Series','DPMT Test Series','UP-SEE Test Series','UP-CPMT Test Series');
	
	document.getElementById('promotion_text_area').innerHTML = ad_text_array[ad_text_no];
	ad_text_no = ad_text_no +1;
	if(ad_text_no >= 8)
	{
		ad_text_no = 0;
	}
	window.setTimeout(update_ad_text,3000); 
	
}



function toggle_show_hide(div_id) {
	e = document.getElementById(div_id);
	
 	if(e.style.display =='none')
 	{
 		e.style.display = 'inline';
 	}
 	else
 	{
 		e.style.display = 'none';
 	}
 	return false;
}
function toggle_div_content(div_id,txt_div_id, show_content, hide_content) { 
 	e = document.getElementById(div_id);
 	txt_div = document.getElementById(txt_div_id);
 	if(e.style.display =='none')
 	{
 		e.style.display = 'inline';
 		txt_div.innerHTML = hide_content;	
 	}
 	else
 	{
 		e.style.display = 'none';
 		txt_div.innerHTML = show_content;
 	}
	   	return false;
}
function toggle_multiple_show_hide(show_div_id_array,hide_div_id_array,show_text_id,hide_text_id) {
	show_arr_length=show_div_id_array.length;
	hide_arr_length=hide_div_id_array.length;
	show_text_arr_length=show_text_id.length;
	hide_text_arr_length=hide_text_id.length;	
	for(i=0;i<show_arr_length;i++)
	{
		e = document.getElementById(show_div_id_array[i]);
		e.style.display = 'inline';
	}
	for(i=0;i<hide_arr_length;i++)
	{
		e = document.getElementById(hide_div_id_array[i]);		
		e.style.display = 'none';
	}	
	for(i=0;i<show_text_arr_length;i++)
	{
		e = document.getElementById(show_text_id[i]);		
		
		e.innerHTML = 'Show';
	}
	for(i=0;i<hide_text_arr_length;i++)
	{
		e = document.getElementById(hide_text_id[i]);	
		e.innerHTML = '';
	}		
 	return false;
}

function validate_email(str)
{
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
       document.getElementById('email_error').style.display = 'inline';
 		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   document.getElementById('email_error').style.display = 'inline';
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    document.getElementById('email_error').style.display = 'inline';
		    return false;
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    document.getElementById('email_error').style.display = 'inline';
		    return false;
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    document.getElementById('email_error').style.display = 'inline';
		    return false;
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    document.getElementById('email_error').style.display = 'inline';
		    return false;
		 }
		
		 if (str.indexOf(" ")!=-1){
		    document.getElementById('email_error').style.display = 'inline';
		    return false;
		 }
 		 return true;					
}

function typeNewQuestion()
{
	var quest_area =document.getElementById('question_area'); 
	if(quest_area.value == "Type your question here")
	{
		quest_area.value = " ";
		quest_area.style.color = "#000000";
		quest_area.style.fontStyle = "normal";
	}
	var disc_area =document.getElementById('disc_area'); 
	if(disc_area.value == "Type your question here")
	{
		disc_area.value = " ";
		disc_area.style.color = "#000000";
		disc_area.style.fontStyle = "normal";
	}
}
function showViewAnswers(q_uri)
{
  var btn = document.getElementById("view_answer_"+q_uri);
  btn.style.display = "inline";
}

function hideViewAnswers(q_uri)
{
  var btn = document.getElementById("view_answer_"+q_uri);
  btn.style.display = "none";
}    

function checkCalendarDates(strStartDate, strEndDate,error_span, strToday)
{
	var d1;
	var d2;

	if(strStartDate == "" )
	{
		
		document.getElementById(error_span).innerHTML = "Select a date first" ;
		return false;
	}
	else
	{
		if(strStartDate != "")
		{
			d1=strStartDate.split(':');
			trim_d1 = d1[0].split(' ');
			dt_1 = trim_d1[0].split('-');
			var startDate=new Date(dt_1[1]+'/'+dt_1[2]+'/'+dt_1[0]+' '+trim_d1[1]+':'+d1[1]);	
		}
		
		if(strEndDate != "")
		{
			d2=strEndDate.split(':');
			trim_d2 = d2[0].split(' ');
			dt_2 = trim_d2[0].split('-');
			var endDate=new Date(dt_2[1]+'/'+dt_2[2]+'/'+dt_2[0]+' '+trim_d2[1]+':'+d2[1]);	
		}
		
		t=strToday.split(':');
		trim_t = t[0].split(' ');
		t_1 = trim_t[0].split('-');
		var today_date=new Date(t_1[1]+'/'+t_1[2]+'/'+t_1[0]+' '+trim_t[1]+':'+t[1]);
		
			
	
		if(startDate < today_date)
		{
		
			document.getElementById(error_span).innerHTML = "Invalid Start Date" ;
			return false;
		}
		else
		{
			
			if(endDate <= today_date)
			{
				
				document.getElementById(error_span).innerHTML = "Invalid End Date" ;
				return false;
			}	
			else
			{
				
				if (startDate >= endDate && strStartDate != "" && strEndDate !="")
				{
					document.getElementById(error_span).innerHTML = "End date cannot be lesser than Start date" ;
					return false;
				}
				else
				{
					
				
					document.getElementById(error_span).innerHTML = "" ;
					return true;
						
			}
		}
		
	}

}
}
var selectedtab="id0";
var tD="document";
var first=1;
function tab_over(X){
if(X!=selectedtab)eval(document.getElementById(X)).className="mouseovertab";
}
function tab_out(X){
if(X!==selectedtab)eval(document.getElementById(X)).className="inactivetab";
}
function show_content(X,Y,Z){
if(X!=selectedtab || first){
	eval(document.getElementById(selectedtab)).className="inactivetab";
	eval(document.getElementById(X)).className="activetab";
	first=0;}
var fix=selectedtab;selectedtab=X;
if(Z&&fix!=X)eval(Z);
}

  function getHTTPObject() {
var xmlhttp;
/*@cc_on
 @if (@_jscript_version >= 5)
  try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
      } catch (e) {
      try {
          xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
          } catch (E) {
          xmlhttp = false;
          }
      } 
 @else
  xmlhttp = false;
 @end @*/
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
 try {
   xmlhttp = new XMLHttpRequest();
   } catch (e) {
   xmlhttp = false;
   }
  }
  return xmlhttp;
}

function calculate_time_zone() {
   var rightNow = new Date();
   var jan1 = new Date(rightNow.getFullYear(), 0, 1, 0, 0, 0, 0);  // jan 1st
   var june1 = new Date(rightNow.getFullYear(), 6, 1, 0, 0, 0, 0); // june 1st
   var temp = jan1.toGMTString();
   var jan2 = new Date(temp.substring(0, temp.lastIndexOf(" ")-1));
   temp = june1.toGMTString();
   var june2 = new Date(temp.substring(0, temp.lastIndexOf(" ")-1));
   var std_time_offset = (jan1 - jan2) / (1000 * 60 * 60);
   var daylight_time_offset = (june1 - june2) / (1000 * 60 * 60);
   var dst;
   if (std_time_offset == daylight_time_offset) {
		dst = "0"; // daylight savings time is NOT observed
   } else {
   		// positive is southern, negative is northern hemisphere
		var hemisphere = std_time_offset - daylight_time_offset;
		if (hemisphere >= 0)
			std_time_offset = daylight_time_offset;
		dst = "1"; // daylight savings time is observed
   }
   
   var e=document.getElementsByName("timezoneval");
   
   if (e.length >0)
   {
   	e[0].value = convert(std_time_offset)+","+dst;
   }
   
   var XmlHttp = new getHTTPObject();
   if (XmlHttp)
   {
   XmlHttp.open('GET', installCodePath+'inc/lib/timezone.inc.php?local='+convert(std_time_offset)+","+dst, true);
   XmlHttp.send(null);
   }
}

function convert(value) {
	var hours = parseInt(value);
   	value -= parseInt(value);
	value *= 60;
	var mins = parseInt(value);
   	value -= parseInt(value);
	value *= 60;
	var secs = parseInt(value);
	var display_hours = hours;
	display_hours = (hours < 10 && hours > 0) ? "+0"+hours : "+"+hours; // positive
	display_hours = (hours == 0) ? "0"+hours : display_hours; // handle GMT case (00:00)
	display_hours = (hours < 0 && hours > -10) ? "-0"+Math.abs(hours) : display_hours; // neg
    mins = (mins < 10) ? "0"+mins : mins;
	return display_hours+":"+mins;
}

// Script written by Drew Noakes -- http://drewnoakes.com
// 14 Dec 2006

var HintClass = "hintTextarea";
var HintActiveClass = "hintTextareaActive";

// define a custom method on the string class to trim leading and training spaces
String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ''); };

function initHintTextboxes() {
  var inputs = document.getElementsByTagName('textarea');
  var inputtb = document.getElementsByTagName('input');
  for (i=0; i<inputs.length; i++) {
    var input = inputs[i];
    if (input.type != "textarea")
      continue;
      
    if (input.className.indexOf(HintClass)!=-1) {
      input.hintText = input.value;
      input.className = HintClass;
      input.onfocus = onHintTextboxFocus;
      input.onblur = onHintTextboxBlur;
    }
}
  for (i=0; i<inputtb.length; i++) {
    var input = inputtb[i];
    if (input.type != "text")
      continue;
      
    if (input.className.indexOf(HintClass)!=-1) {
      input.hintText = input.value;
      input.className = HintClass;
      input.onfocus = onHintTextboxFocus;
      input.onblur = onHintTextboxBlur;
    }
  }
}

function onHintTextboxFocus() {
  var input = this;
  if (input.value.trim()==input.hintText) {
    input.value = "";
    input.className = HintActiveClass;
  }
}

function onHintTextboxBlur() {
  var input = this;
  if (input.value.trim().length==0) {
    input.value = input.hintText;
    input.className = HintClass;
  }
  else
  {
	input.className = "";	
  }
}