// Allows multiple functions to load

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}



// Simple hide/show function
    function toggle_visibility(id) {
       var e = document.getElementById(id);
       if(e.style.display == 'block')
          e.style.display = 'none';
       else
          e.style.display = 'block';
    }



// Opens PDF links in new windows

function doPopups()
{
 if (!document.getElementsByTagName) return false;
 var links = document.getElementsByTagName("a");
 for (var i=0; i < links.length; i++) {
  if (links[i].href.indexOf('.pdf') !== -1) {
   links[i].onclick =
    function() {
     window.open(this.href,'popper','resizable,scrollbars');
     return false;
    }
    links[i].title += "(This PDF opens in a new window)";
  }
  if (links[i].href.indexOf('.doc') !== -1) {
   links[i].onclick =
    function() {
     window.open(this.href,'popper','resizable,scrollbars');
     return false;
    }
    links[i].title += "(This Word Doc opens in a new window)";
  }
  if (links[i].href.indexOf('.ppt') !== -1) {
   links[i].onclick =
    function() {
     window.open(this.href,'popper','resizable,scrollbars');
     return false;
    }
    links[i].title += "(This Powerpoint opens in a new window)";
  }
  if (links[i].href.indexOf('.xls') !== -1) {
   links[i].onclick =
    function() {
     window.open(this.href,'popper','resizable,scrollbars');
     return false;
    }
    links[i].title += "(This Spreadsheet opens in a new window)";
  }
  if (links[i].href.indexOf('.com') !== -1) {
   links[i].onclick =
    function() {
     window.open(this.href,'popper','resizable,scrollbars,menubar,location,toolbar,directories,status');
     return false;
    }
    links[i].title += "(This website opens in a new window)";
  }
  if (links[i].href.indexOf('co.uk') !== -1) {
   links[i].onclick =
    function() {
     window.open(this.href,'popper','resizable,scrollbars,menubar,location,toolbar,directories,status');
     return false;
    }
    links[i].title += "(This website opens in a new window)";
  }
  /*
  if (links[i].href.indexOf('www.nicurriculum.org.uk') !== -1) {
   links[i].onclick =
    function() {
     window.open(this.href,'popper','resizable,scrollbars,menubar,location,toolbar,directories,status');
     return false;
    }
    links[i].title += "(This website opens in a new window)";
  }
  */
  if (links[i].href.indexOf('www.edexcel.org.uk') !== -1) {
   links[i].onclick =
    function() {
     window.open(this.href,'popper','resizable,scrollbars,menubar,location,toolbar,directories,status');
     return false;
    }
    links[i].title += "(This website opens in a new window)";
  }
  if (links[i].href.indexOf('www.ccea.org.uk') !== -1) {
   links[i].onclick =
    function() {
     window.open(this.href,'popper','resizable,scrollbars,menubar,location,toolbar,directories,status');
     return false;
    }
    links[i].title += "(This website opens in a new window)";
  }
  
 }
}

// Turns e-mail addresses into mailtos

function changeMail() {
 if (!document.getElementsByTagName) return false;
 var span = document.getElementsByTagName("span");
 for (var i=0; i < span.length; i++) {
  if (span[i].className.match('mailto') || span[i].className.match('email')) {
   var innerspan = span[i].getElementsByTagName("span")[0].firstChild.nodeValue;
   span[i].innerHTML = "<a href='mailto:"+innerspan+"@ccea.org.uk' class='email'>"+innerspan+"@ccea.org.uk"
  }
 }
}








function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

addLoadEvent(doPopups);
addLoadEvent(changeMail);