function placesShowBigImage (sImgUrl) {
    var e = jQuery('#k_photo img');
//    var e = $('#k_photo img');
	
    e.get(0).style.display = 'none';
    var i = new Image();    
    i.onload = function () {
        e.get(0).src = sImgUrl;   
        e.get(0).style.display = 'inline';    
    }
    i.src = sImgUrl;
}

function placesShowRealImage (e) { 
//    var sImgUrl = $(e).children().filter("img").get(0).src;
    var sImgUrl = jQuery(e).children().filter("img").get(0).src;
    sImgUrl = sImgUrl.replace (/\/big\//, '/real/');
    e.href = sImgUrl;
    return true;
}

function placesShowBigVideo (sEmbed) { 
 //   var e = $('#k_video').get(0);
	 var e = jQuery('#k_video').get(0);
    e.innerHTML = decodeURIComponent(sEmbed);
    return true;
}

function emailCheck( str )
{

 if (str.search( /^[a-z0-9_\-]+(\.[_a-z0-9\-]+)*@([_a-z0-9\-]+\.)+([a-z]{2}|aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel)$/i ) == -1 )
  {   
	 return false;
  }
 else
   { 
	return true;
   }
}
function getTYpe(value)
{	
	if(value=="")	
	{
		document.getElementById('teacherEmail').value = document.getElementById('emailtype').value;		
	}	
}
function validEnt()
{
	 
	if( (document.getElementById('teacherEmail').value == document.getElementById('emailtype').value) || (document.getElementById('teacherEmail').value == ""))
	{
		if(document.getElementById('teacher').value == '0')
		{
			alert(document.getElementById('emailselect_key').value);
			document.getElementById('teacher').focus();
			return false;
		}
	}
	if(document.getElementById('teacher').value == '0')
	{
		if( (document.getElementById('teacherEmail').value == document.getElementById('emailtype').value) || (document.getElementById('teacherEmail').value == ""))
		{
			alert(document.getElementById('teacherEmail_key').value);
			document.getElementById('teacherEmail').focus();
			return false;
		}
		else
		{			 
			if(emailCheck(document.getElementById('teacherEmail').value)!=true)
			{
				alert(document.getElementById('validemail_key').value);
				document.getElementById('teacherEmail').focus();
				return false;	
			}			 
		}
	}
	if(document.getElementById('unm').value == '')
	{
		alert(document.getElementById('unm_key').value);
		document.getElementById('unm').focus();
		return false;
	}
	if(document.getElementById('classname').value == '')
	{
		alert(document.getElementById('classname_key').value);
		document.getElementById('classname').focus();
		return false;
	}
	
	return true;
}