// JavaScript Document
// show div function v0

    function show_div(id1,id2,id3)
    {
        //var oid=id;
        //document.write(oid);
        //
     // if (document.getElementById("LRR").checked == true) {
       
        //document.getElementById("drawing_yes").checked=false;
        MM_changeProp(id1,'','display','block','DIV');
        MM_changeProp(id2,'','display','none','DIV');
        MM_changeProp(id3,'','display','none','DIV');
      //}
    }
   
    function hideDiv(div0)
    {
        var div=div0;
        //document.write(div);
        if(document.getElementById(div).style.display==="block")
            {
                document.getElementById(div).style.display="none";
            }
           
            if(document.getElementById(div).style.visibility==="visible")
            {
                document.getElementById(div).style.visibility="hidden";
            }
           
    }
    
     function showDiv(div)
    {
                   
            if(document.getElementById(div).style.display=='none')
            {
                document.getElementById(div).style.display='block';
            }
            /*else
            //if(document.getElementById(div).style.display=='block')
            {
                alert();
                document.getElementById(div).style.display='none';
            }
            */
    }
   
    function showHide(val,div)
    {
            //document.write(div);       
            if(document.getElementById(div).style.display=='none')
            {
                document.getElementById(div).style.display='block';
                var txt="";
                if (div=='search')
                {
                     txt="hide search";
                }
                if (div=='reports')
                {
                 txt="hide reports";   
                }
                document.getElementById(val).value=txt;
            }
            else
            {
                document.getElementById(div).style.display='none';
                if (div=='search')
                {
                     txt="show search";
                }
                if (div=='reports')
                {
                 txt="show reports";   
                }
                document.getElementById(val).value=txt;
            }
           
           
    }
   
     function showHideDiv(i)
    {
        //document.write(i);
        var j= i-1;   
        var m=i+1;
            //if(document.getElementById('sch_date'+i+'Calendar').style.display=='none')
            //{
                document.getElementById('sch_date'+i+'Calendar').style.display='block';
            //}
            //if(document.getElementById('sch_date'+j+'Calendar').style.display=='block')
            //{
                document.getElementById('sch_date'+j+'Calendar').style.display='none';
            //}
           
        //    if(document.getElementById('sch_date'+m+'Calendar').style.display=='block')
            //{
                document.getElementById('sch_date'+m+'Calendar').style.display='none';
            //}
           
            /*else
            //if(document.getElementById(div).style.display=='block')
            {
                alert();
                document.getElementById(div).style.display='none';
            }
            */
    }
   
     function showDivN(div)
    {
       
               
                document.getElementById(div).style.display='none';
           
    }
   
   
    function showlayer(layer){
var myLayer = document.getElementById(layer).style.display;
if(myLayer=="none"){
document.getElementById(layer).style.display="block";
} else {
document.getElementById(layer).style.display="none";
}
}
   
     
     
   // show div function v1
     
    function showData(chk,div) {
      if (document.getElementById(chk).checked == true) {
        document.getElementById(div).style.display='block';
      
      }
     else {
               document.getElementById(div).style.display='none';
      }
    }
 
 
 
 //  all errors submit

    var errorsOnSubmit = function(form){
   
    var ret = Spry.Widget.Form.validate(form);
    var errorZone= document.getElementById('error_zone');
   
    if (!ret){
        errorZone.style.visibility = 'visible';
        errorZone.style.backgroundColor = '#a00';
        errorZone.style.color = '#eee';
    }else{
        errorZone.style.visibility = 'hidden';
    }
    return ret;
}



 function PopupCenter(pageURL, title,w,h) {
var left = (screen.width/2)-(w/2);
var top = (screen.height/2)-(h/2);
var targetWin = window.open (pageURL, title, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no,navigation=no, width='+w+', height='+h+', top='+top+', left='+left);
}

// check for empty field value

function chkBlank(id)
{
    //document.write(id);
    if (document.getElementById(id).value==="") {
        document.getElementById("submitClassSchedule").disabled=true;
        //alert('Please select a date!');
    }
    else
    {
        document.getElementById("submitClassSchedule").disabled=false;
    }
}

function chkBlankDate(count)
{
    var error=false;
    //document.write(count);
    for (i=0;i<count;i++)
    {
        if (document.getElementById("sch_date"+i).value==="") {
            error=true;
            //alert('Please fill ALL schedule date fields!');
            document.getElementById("submitClassSchedule").disabled=true;
            //alert('Please fill ALL schedule date fields!');
    }
    if (document.getElementById("sch_time"+i).value==="") {
            error=true;
            //alert('Please fill ALL schedule date fields!');
            document.getElementById("submitClassSchedule").disabled=true;
            //alert('Please fill ALL schedule date fields!');
    }
   
       
    }
    if (error===true)
        {
        alert('Please fill ALL SCHEDULE DATE fields and SCHEDULE TIME fields!');
        return false;
        }
        else
        {
            return true;
        }
}

// go to function

function goToURL(url)
{
//document.write(url);
window.location = url;
}

// logout function
    function deactivate_cookie()
    {
  
    // the url which you have to reload is this page, but you add an action to the GET- or POST-variable
    var url="classManagement.php?logout";
   
    // Opens the url in the same window
       window.open(url, "_self");

    }