function ShowHide()
      {
      if(document.getElementById('comment').style.display=='none')
        {
        document.getElementById('comment').style.display='block';
        }
       else 
        document.getElementById('comment').style.display='none'; 
      }
function ShowHideLogin()
      {
      if(document.getElementById('login').style.display=='none')
        {
        document.getElementById('login').style.display='block';
        }
       else 
        document.getElementById('login').style.display='none'; 
      }    
function ShowNoComment()
      {
	  if(document.getElementById('NoComment').style.display=='none')
        {
        document.getElementById('NoComment').style.display='block';
        }
       else 
        document.getElementById('NoComment').style.display='none'; 
      }       

function CancelSubmit(){
   document.getElementById('comment').style.display='none';
   document.getElementById('comments').value='';     
   }

function CancelLogin(){
   document.getElementById('login').style.display='none';
   document.getElementById('email').value='';
   document.getElementById('passord').value='';     
   } 

function AddComment()
 {
   var comments = document.getElementById('comments').value;
   var maxValue = 160;
   var obj = document.getElementById('comments');
   var len = comments.length;
   //alert(len+' & '+maxValue);
   
   	if(comments=='') 
   	{
   	alert('Please Write Any Comment');
   	document.getElementById('comments').focus();
   	return false;
    }
    else if (len > maxValue) 
	{
		comments = comments.substring(0, maxValue);
		len = maxValue;
	   alert('Write Upto 160 Characters Comment');
	   document.getElementById('comments').focus();
	   return false;
	}
    return true;    
 }
 
 function AddCommentRajniti()
 {
   var comments = document.getElementById('comments').value;
   var maxValue = 160;
   var obj = document.getElementById('comments');
   var len = comments.length;
   //alert(len+' & '+maxValue);
   
   	if(comments=='') 
   	{
   	alert('Please Write Any Comment');
   	document.getElementById('comments').focus();
   	return false;
    }
    return true;    
 }

function characterCounter(obj_id) 
{
	var maxValue = 160;
	obj = document.getElementById(obj_id);
	var len = obj.value.length;
  
	if (len > maxValue) 
	{
    	obj.value = obj.substring(0, maxValue);
	    len = maxValue;
	}
	//document.getElementById('remaining').innerHTML = maxValue - len;
}


 
function checkEmail(email) 
{
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email))
	{
		return (true)
	}
	return (false)
}

function Validatelogin(){
if(document.getElementById('email').value=='')
    	{
			alert('Email id can not be blank.')
			document.getElementById('email').focus();
			return false;
		}	
	if(document.getElementById('email').value!='') 
     {
	
	  abc =	 checkEmail(document.getElementById('email').value);
	  if(abc==false)
	   {
	   alert("Your Email Id is invalid");
	   document.getElementById('email').focus();
	   return false;
	   }
	 
	 }
     if(document.getElementById('password').value=='')
    	{
			alert('password can not be blank.')
			document.getElementById('password').focus();
			return false;
		}
   return true;  
  }   

function ShowComment_Div_1(view, img)
    {
	//alert(view);
	 if(document.getElementById(view).style.display == 'none')
	   {
		 document.getElementById(view).style.display = 'block';
		 document.getElementById(img).src='images/minus.jpg';
	   }
	else if(document.getElementById(view).style.display == 'block')
	   {
		 document.getElementById(view).style.display = 'none' ;
		 document.getElementById(img).src='images/plus.jpg';
	   }
	   
  	}
function ShowHideVideo()
      {
      if(document.getElementById('video').style.display=='none')
        {
        document.getElementById('video').style.display='block';
        }
       else 
        document.getElementById('video').style.display='none'; 
      }	

/****************************Campus_Buzz**************************************/
	function ShowHide_div(div_id)
    {
	  if(document.getElementById(div_id).style.display == 'none')
	   {
		document.getElementById(div_id).style.display = '';
	   }
		else
	   {
		document.getElementById(div_id).style.display = 'none';
	   }
	}	
	
	function ShowComment_Div(view)
    {
	 if(document.getElementById(view).style.display == 'none')
	   {
		 document.getElementById(view).style.display = 'block';
	   }
	else if(document.getElementById(view).style.display == 'block')
	   {
		 document.getElementById(view).style.display = 'none' ;
	   }
	   
  	}				 	
	 
	 function ShowNoComment_div(no_comment)
      {
      if(document.getElementById(no_comment).style.display=='none')
        {
        document.getElementById(no_comment).style.display='block';
        }
       else {
        document.getElementById(no_comment).style.display='none'; 
	     }
    }	
function ShowHideLogin_div(login_id)
      {
      if(document.getElementById(login_id).style.display=='none')
        {
        document.getElementById(login_id).style.display='block';
        }
       else 
       document.getElementById(login_id).style.display='none'; 
      } 	
function CancelSubmit_div(div){
   document.getElementById(div).style.display='none';
   document.getElementById('comments').value='';     
   }	
function CancelLogin_div(cancel){
   document.getElementById(cancel).style.display='none';
   document.getElementById('email').value='';
   document.getElementById('password').value='';     
   } 
function AddComment_div(add)
 {
if(document.getElementById(add).value=='') 
   {
   alert('Please Write Any Comment');
   document.getElementById(add).focus();
   return false;
   }
  
    return true;    
 }