// JavaScript Document
function preloadImages() {
		ball1_drawings_over = newImage("images/ball1-drawings_over.gif");
		drawings_over = newImage("images/drawings-over.gif");
		bar_artiststatement_over = newImage("images/bar-artiststatement_over.gif");
		bar_biocontact_over = newImage("images/bar-biocontact_over.gif");
		ball2_installation_over = newImage("images/ball2-installation_over.gif");
		installation_over = newImage("images/installation-over.gif");
		ball3_video_over = newImage("images/ball3-video_over.gif");
		video_over = newImage("images/video-over.gif");
		ball4_artiststatement_over = newImage("images/ball4-artiststatement_over.gif");
		artiststatement_over = newImage("images/artiststatement-over.gif");
		main_13_resume_over = newImage("images/main_13-resume_over.gif");
		ball5_resume_over = newImage("images/ball5-resume_over.gif");
		resume_over = newImage("images/resume-over.gif");
		ball6_biocontact_over = newImage("images/ball6-biocontact_over.gif");
		biocontact_over = newImage("images/biocontact-over.gif")
}
function checkElementTree(el, strTag) {
            /* This simple function walks up the tree from the element
               el and looks for any element with the tag strTag.
               The first matching element found is returned. */
            while ("HTML" != el.tagName) {
               if (strTag == el.tagName)
                  return el;
               el = el.parentElement;
            }
            return null;
         }

         function multiJump() {
            // Find the anchor.
            var el = checkElementTree(event.srcElement, "A");
            if (null != el) { // Found an anchor.
               // Check whether it is a multitarget anchor.
               if ((null != el.getAttribute("mhref")) &&
                     (null != el.getAttribute("mtarget"))) {
                  event.returnValue = false;
                  var mhref = new Array();
                  var mtarget = new Array();
                  // Parse attributes into arrays.
                  mhref = el.getAttribute("mhref").split("; ");
                  mtarget =
                     el.getAttribute("mtarget").split("; ");
                  /* Be sure there are an equal number
                     of targets and URLs. */
                  if (mtarget.length == mhref.length)
                     for (var intLoop = 0; intLoop < mtarget.length;
                           intLoop++)
                        if (null != parent[mtarget[intLoop]])
                           parent[mtarget[intLoop]].location.href =
                              mhref[intLoop];
               }
            }
         }