var imageFiles_eh_1 = new Array();
imageFiles_eh_1['0'] = new Array ('_images/eh_Progress_Projects.gif', '_images/eh_Progress_ProjectsMouseover.gif');

function image_on_eh_1 (position) {
   var doc = eval("document.imageeh_1" + position);
   doc.src = imageFiles_eh_1[position][1];
}

function image_off_eh_1 (position) {
   var doc = eval("document.imageeh_1" + position);
   doc.src = imageFiles_eh_1[position][0];
}