/* make drop downs go to new pages */
function openNewWindow(URLtoOpen, windowName, windowFeatures) { 
newWindow=window.open(URLtoOpen, windowName, windowFeatures); 
}


function formHandler(){ 
var URL = document.form.site.options[document.form.site.selectedIndex].value; 
window.location.href = URL; 
}



// toggle visibility

function toggle( targetId ){
  if (document.getElementById){
  		target = document.getElementById( targetId );
  			if (target.style.display == "none"){
  				target.style.display = "";
  			} else {
  				target.style.display = "none";
  			}
  	}
}


/* call this to make the arrow go up and down. weeeeeeeeeeeeeeeee. */
var normal = "/images/expand.gif";
var hover = "/images/collapse.gif";

function imageSwap()
{
var imageObj = document.getElementById("arrow");
var imageSrc = imageObj.getAttribute("src");

   if (imageSrc == normal) {
		   imageObj.setAttribute("src", hover);
		   }
   else
		   {
		   imageObj.setAttribute("src", normal);
		   }
}


  // this function is need to work around 
  // a bug in IE related to element attributes
  function hasClass(obj) {
     var result = false;
     if (obj.getAttributeNode("class") != null) {
         result = obj.getAttributeNode("class").value;
     }
     return result;
  }   

 function stripe(id) {

    // the flag we'll use to keep track of 
    // whether the current row is odd or even
    var even = false;
  
    // if arguments are provided to specify the colours
    // of the even & odd rows, then use the them;
    // otherwise use the following defaults:
    var evenColor = arguments[1] ? arguments[1] : "#ECDBC0";
    var oddColor = arguments[2] ? arguments[2] : "#ffffff";
  
    // obtain a reference to the desired table
    // if no such table exists, abort
    var table = document.getElementById(id);
    if (! table) { return; }
    
    // by definition, tables can have more than one tbody
    // element, so we'll have to get the list of child
    // <tbody>s 
    var tbodies = table.getElementsByTagName("tbody");

    // and iterate through them...
    for (var h = 0; h < tbodies.length; h++) {
    
     // find all the &lt;tr&gt; elements... 
      var trs = tbodies[h].getElementsByTagName("tr");
      
      // ... and iterate through them
      for (var i = 0; i < trs.length; i++) {

	    // avoid rows that have a class attribute
        // or backgroundColor style
	    if (!hasClass(trs[i]) && ! trs[i].style.backgroundColor) {
 
         // get all the cells in this row...
          var tds = trs[i].getElementsByTagName("td");
        
          // and iterate through them...
          for (var j = 0; j < tds.length; j++) {
        
            var mytd = tds[j];

            // avoid cells that have a class attribute
            // or backgroundColor style
	        if (! hasClass(mytd) && ! mytd.style.backgroundColor) {
        
		      mytd.style.backgroundColor = even ? evenColor : oddColor;
              
            }
          }
        }
        // flip from odd to even, or vice-versa
        even =  ! even;
      }
    }
  }
  
  
  
  
//confirm link, post removal
function confirmSubmit()
{
var agree=confirm("Are you sure you want to remove this?");
if (agree)
        return true ;
else
        return false ;
}