// JavaScript Document
//To Share this Chart with existing data
function compareChart(sid,csid,srch,ncsid){
 if((sid>0 && csid>0 && ncsid>0) && sid==csid || sid==ncsid || csid==ncsid){
    alert("You have already selected this data series. Please select another.");
  }else if(sid!=0 && csid!=0 && ncsid!=0){// If third data series comes go to error page
    window.location = 'data_comparison.php?sid='+sid+'&csid='+csid+'&ncsid='+ncsid;
  }else{
    if(sid==0)
      sid = ncsid;
    else if(csid==0)
      csid = ncsid;
    window.location = 'data_comparison.php?sid='+sid+'&csid='+csid+'&srch='+srch;
  }
  }
//Serch when press enter hey
function findEnterKey(e,sid,csid){
     var key;     
     if(window.event)
          key = window.event.keyCode; //IE
     else
          key = e.which; //firefox     
     if(key == 13){
        var searchkey = document.getElementById('search').value;
        if(searchkey)
          window.location='searchresults.php?sid='+sid+'&csid='+csid+'&srch='+searchkey;
        else
          alert("You need to type something in order to search");
     }
}

//search function
function searchDataSeries(sid,csid){
  var searchkey = document.getElementById('search').value;
  if(searchkey)
    window.location='searchresults.php?sid='+sid+'&csid='+csid+'&srch='+searchkey;
  else
     alert("You need to type something in order to search");
}

//LightBox effect Script
function DHTMLwindow(divId,action){
if(divId==''){
document.getElementById('lightbox1').style.display=action;
document.getElementById('lightbox2').style.display=action;
document.getElementById('lightbox3').style.display=action;
}else{
document.getElementById(divId).style.display=action;
}

document.getElementById('fade').style.display=action;
}


document.onkeydown = checkKeycode
function checkKeycode(e) {
  var keycode;
  if (window.event) keycode = window.event.keyCode;
  else if (e) keycode = e.which;
//  alert("keycode: " + keycode);
  if(keycode == 27){
  if(document.getElementById('lightbox1'))
  document.getElementById('lightbox1').style.display='none';
  document.getElementById('lightbox2')
  document.getElementById('lightbox2').style.display='none';
  document.getElementById('lightbox3')
  document.getElementById('lightbox3').style.display='none';
  document.getElementById('fade').style.display='none';
  }
}
// Email validation 

	function isValidEmail (){
	var email = document.getElementById('femail').value;
	if(email){
		var result = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(email);
		if(result)
			document.frm_email.submit();
		else
			document.getElementById('err').innerHTML='Invalid email address.';
		}else{
			document.getElementById('err').innerHTML='Enter email address.';
		}
	}