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

addLoadEvent (initCollectionChoice);
var helpText = new Array()
		helpText[0] = new Object();
		helpText[0]["list"] = new Image; 		helpText[0]["list"].src="./img/helpText_List.gif";
		helpText[0]["label"] = new Image; 		helpText[0]["label"].src="./img/helpText_label.gif";	
		helpText[0]["lightbox"] = new Image; 	helpText[0]["lightbox"].src="./img/helpText_lightbox.gif";	
		helpText[0]["detail"] = new Image; 		helpText[0]["detail"].src="./img/helpText_detail.gif";	
		helpText[0]["begin"] = new Image; 		helpText[0]["begin"].src="./img/helpText_beginning.gif";
		helpText[0]["previous"] = new Image; 	helpText[0]["previous"].src="./img/helpText_previous.gif";	
		helpText[0]["next"] = new Image; 		helpText[0]["next"].src="./img/helpText_next.gif";	
		helpText[0]["end"] = new Image; 		helpText[0]["end"].src="./img/helpText_end.gif";	
		helpText[0]["help"] = new Image; 		helpText[0]["help"].src="./img/helpText_help.gif";
addLoadEvent (initToolbar);
addLoadEvent (addTarget);




function addTarget () {
	
	//removing helpLink
	var link = document.getElementById("help_linkAvailable");
	if (link) {
		var linkParent = link.parentNode;
		linkParent.removeChild(link);


		var newHelpLink		= document.createElement("a");
		var newHelpLinkId	= document.createAttribute("id");
			newHelpLinkId.nodeValue="help_linkAvailable";
		
		var newHelpHref		= document.createAttribute("href");
		newHelpHref.nodeValue="#";
		
		newHelpLink.setAttributeNode(newHelpLinkId);
		newHelpLink.setAttributeNode(newHelpHref);
		
		linkParent.appendChild(newHelpLink);
		
		
		if  (window.addEventListener){ // Mozilla, Netscape, Firefox
			newHelpLink.addEventListener('click', helpWindow, false);
		
		} 
		else { // IE
			newHelpLink.attachEvent('onclick', helpWindow);
		
		}
	}
}
function helpWindow () {

	helpW = window.open("browserHelp/pages/helpAdvancedSearch.jsp","helpWindow","width=800, height=700, scrollbars=yes");
	helpW.focus();
}
			

function initCollectionChoice () {

	if (document.getElementById("collectionChoice")) {	
	var selectList = document.getElementById("collectionChoice");
	
			if  (window.addEventListener){ // Mozilla, Netscape, Firefox
				selectList.addEventListener('change', switchCollection, false);
		
			} 
			else { // IE
				selectList.attachEvent('onchange', switchCollection);
		
			}	
}						   

}



		function switchCollection() {
			
			var whichPage 			= document.getElementById("pagePointer").value;
			var choosenColection	= document.getElementById("collectionChoice").value;
			
			
			location = whichPage + "?collection=" + choosenColection;
		}