function establishPanels() {

paneldx02 = getID('panel02'); paneldx03 = getID('panel03'); paneldx04 = getID('panel04');
paneldx01_ = paneldx02.offsetTop; paneldx02_ = paneldx03.offsetTop; paneldx03_ = paneldx04.offsetTop;
swapdx01 = getID('swap01'); swapdx02 = getID('swap02'); swapdx03 = getID('swap03'); swapdx04 = getID('swap04');
if (vista) {while (paneldx02 = paneldx02.offsetParent) paneldx01_+=paneldx02.offsetTop; while (paneldx03 = paneldx03.offsetParent) paneldx02_+=paneldx03.offsetTop; while (paneldx04 = paneldx04.offsetParent) paneldx03_+=paneldx04.offsetTop;}
paneldx01_-=gap; paneldx02_-=gap; paneldx03_-=gap;
paneldx02.className = paneldx03.className = paneldx04.className = 'gray'; swapdx01.className = 'panel1 init';

}
function swapPanels() {if (swapdx01) {

scrHite = (isAll) ? document.documentElement.scrollTop : self.pageYOffset;
if (scrHite > paneldx01_) {swapdx01.className = 'panel1'; swapdx02.className = 'panel2'; paneldx02.className = '';}
if (scrHite > paneldx02_) {swapdx03.className = 'panel3'; paneldx03.className = '';}
if (scrHite > paneldx03_) {swapdx04.className = 'panel4'; paneldx04.className = '';}

}}