// rollover for all Library Sections

var timeout_LibraryId;
var timeout_LibraryInternalId;


function preload_libraryInternal() {
if(document.images) {
  var ImgArray = new Array();
  for (var i = 0; i < 4; i++) {
    ImgArray[i] = new Image();
  }    
	ImgArray[0].src = "images/library_intrnl_schedule.gif";
	ImgArray[1].src = "images/library_intrnl_lresources.gif";
	ImgArray[2].src = "images/library_intrnl_archive.gif";
	ImgArray[3].src = "images/library_intrnl_forum.gif";
  }
}


function reset_Menu() {
	var imgTurl;
	if(document.images) {
  		imgTurl = 'homeimages/rollover_default.jpg'; 
   		document.rollover_text.src=imgTurl;	
	}
}


function reset_InternalMenu(imgRurl) {
	if(document.images) {
   		document.library_nav.src=imgRurl;
	}
}

function off_nav(thisNav, imgName) {
	var objStr,obj, imgRurl, imgTurl;
	if(document.images) {
		if (thisNav == 'm') {  
	  		objStr = 'document.' + imgName;
      		obj = eval(objStr);    
      		imgRurl = 'homeimages/' + imgName + '.gif';
      		obj.src = imgRurl;      
      		timeout_LibraryId = setTimeout("reset_Menu()",10); 		
      		} 
      	else if (thisNav == 'i') { 
      		imgRurl = 'images/library_intrnl_' + imgName + '.gif';
      		timeout_LibraryInternalId = setTimeout("reset_InternalMenu(\"" + imgRurl + "\")",10);
      		}   		     
	}
}

function on_nav(thisNav, imgName) {
	var objStr,obj, imgRurl, imgTurl;
	if(document.images) {
		if (thisNav == 'm') {
			clearTimeout(timeout_LibraryId); 
	  		objStr = 'document.' + imgName;
      		obj = eval(objStr);
      		imgTurl = 'homeimages/' + imgName + '_descrip.jpg';      
      		imgRurl = 'homeimages/' + imgName + '_over.gif';
      		document.rollover_text.src=imgTurl;
      		obj.src = imgRurl;      		
      		}
      	else if (thisNav == 'i') {
      		clearTimeout(timeout_LibraryInternalId); 
      		imgRurl = 'images/library_intrnl_' + imgName + '.gif';
      		document.library_nav.src=imgRurl;
      		}		       		
	}
}