var getFFVersion=navigator.userAgent.substring( navigator.userAgent.indexOf("Firefox")).split("/")[1]; //extra height in px to add to iframe in FireFox 1.0+ browsers var FFextraHeight=getFFVersion<1.5? 16 : 0;
function getLayer(name) { if (isMinNS5) return document.getElementById(name); else if (isMinIE4) return eval('document.all.' + name); else if (isMinNS4) return findLayer(name, document);
return null; }
function findLayer(name, doc) {
var i, layer;
for (i = 0; i < doc.layers.length; i++) { layer = doc.layers[i]; if (layer.name == name) return layer; if (layer.document.layers.length > 0) { layer = findLayer(name, layer.document); if (layer != null) return layer; } }
return null; }
function moveLayerTo(layer, x, y) { if (isMinIE4) { layer.style.left = x; layer.style.top = y; } else if (isMinNS5) { layer.style.left = x+'px'; layer.style.top = y+'px'; } else if (isMinNS4) layer.moveTo(x, y); }
function getPageLeft(layer) {
if (isMinIE4||isMinNS5) return(layer.offsetLeft); else if (isMinNS4) return(layer.pageX); return(-1); }
function getPageTop(layer) {
if (isMinIE4||isMinNS5) return(layer.offsetTop); else if (isMinNS4) return(layer.pageY); return(-1); }
function getPageScrollX() {
if (isMinIE4||isMinNS5) return(g_myBodyInstance.scrollLeft); else if (isMinNS4) return(window.pageXOffset); return(-1); }
function getPageScrollY() {
if (isMinIE4||isMinNS5) return(g_myBodyInstance.scrollTop); else if (isMinNS4) return(window.pageYOffset); return(-1); }