var dyn = (document.all || document.layers || document.getElementById) ? true : false;
var ie = (navigator.appName.indexOf('Microsoft') != -1) ? true : false;
var ie4 = (ie && document.all && !document.getElementById) ? true : false;
var ie5 = (ie && document.getElementById && navigator.userAgent.indexOf('MSIE 6.0') == -1) ? true : false;
var ie6 = (ie && document.getElementById && !ie5) ? true : false;
var ie4Min = (ie4 || ie5 || ie6) ? true : false;
var ie5Min = (ie5 || ie6) ? true : false;
var ie6Min = ie6;
var ns = (navigator.appName.indexOf('Netscape') != -1) ? true : false;
var ns4 = (ns && document.layers) ? true : false;
var ns6 = (ns && document.getElementById) ? true : false;
var ns4Min = (ns4 || ns6) ? true : false;
var ns6Min = ns6;
function addLayer(LAYERID,PARENTLAYEROBJ) {
if (ie4Min) {
if (isBlank(PARENTLAYEROBJ)) PARENTLAYEROBJ = document.body;
PARENTLAYEROBJ.insertAdjacentHTML('BeforeEnd','<div id="' + LAYERID + '" style="position:absolute;left:0;top:0;width:1;visibility:hidden;"></div>');
return (document.all) ? document.all[LAYERID] : document.getElementById(LAYERID);}
else if (ns4) {
if (isBlank(PARENTLAYEROBJ)) {
document.layers[LAYERID] = new Layer(0);
return document.layers[LAYERID];}
else {
PARENTLAYEROBJ.document.layers[LAYERID] = new Layer(0,PARENTLAYEROBJ);
return PARENTLAYEROBJ.document.layers[LAYERID];}}
else if (ns6) {
if (isBlank(PARENTLAYEROBJ)) PARENTLAYEROBJ = document.body;
var tempLayer = document.createElement('div');
tempLayer.setAttribute('id',LAYERID);
tempLayer.setAttribute('style','position:absolute;left:0;top:0;width:1;visibility:hidden;');
PARENTLAYEROBJ.appendChild(tempLayer);
return document.getElementById(LAYERID);}}
function setLayerBgColor(LAYEROBJ,COLOR) {
if (ns4) LAYEROBJ.document.bgColor = COLOR;
else if (dyn) LAYEROBJ.style.backgroundColor = COLOR;}
function setLayerBgSrc(LAYEROBJ,SRC) {
if (ns4) LAYEROBJ.background.src = SRC;
else if (dyn) LAYEROBJ.style.backgroundImage = 'url(' + SRC + ')';}
function getLayerClipBottom(LAYEROBJ) {
if (ns4) return LAYEROBJ.clip.bottom;
else if (dyn) {
var tempClipArray = LAYEROBJ.style.clip.substring(5,LAYEROBJ.style.clip.length - 3).split('px ');
return parseInt(tempClipArray[2]);}}
function getLayerClipLeft(LAYEROBJ) {
if (ns4) return LAYEROBJ.clip.left;
else if (dyn) {
var tempClipArray = LAYEROBJ.style.clip.substring(5,LAYEROBJ.style.clip.length - 3).split('px ');
return parseInt(tempClipArray[3]);}}
function getLayerClipRight(LAYEROBJ) {
if (ns4) return LAYEROBJ.clip.right;
else if (dyn) {
var tempClipArray = LAYEROBJ.style.clip.substring(5,LAYEROBJ.style.clip.length - 3).split('px ');
return parseInt(tempClipArray[1]);}}
function getLayerClipTop(LAYEROBJ) {
if (ns4) return LAYEROBJ.clip.top;
else if (dyn) {
var tempClipArray = LAYEROBJ.style.clip.substring(5,LAYEROBJ.style.clip.length - 3).split('px ');
return parseInt(tempClipArray[0]);}}
function setLayerClip(LAYEROBJ,TOP,RIGHT,BOTTOM,LEFT) {
if (dyn) {
if (isBlank(TOP)) TOP = getLayerClipTop(LAYEROBJ);
if (isBlank(RIGHT)) RIGHT = getLayerClipRight(LAYEROBJ);
if (isBlank(BOTTOM)) BOTTOM = getLayerClipBottom(LAYEROBJ);
if (isBlank(LEFT)) LEFT = getLayerClipLeft(LAYEROBJ);
if (ns4) {
LAYEROBJ.clip.left = LEFT;
LAYEROBJ.clip.top = TOP;
LAYEROBJ.clip.right = RIGHT;
LAYEROBJ.clip.bottom = BOTTOM;}
else LAYEROBJ.style.clip = 'rect(' + TOP + 'px ' +  RIGHT + 'px ' + BOTTOM + 'px '  + LEFT + 'px)';}}
function getLayerHeight(LAYEROBJ) {
if (ie4) return LAYEROBJ.clientHeight;
else if (ns4) return LAYEROBJ.clip.height;
else if (dyn) return parseInt(LAYEROBJ.style.height);}
function getLayerWidth(LAYEROBJ) {
if (ie4) return LAYEROBJ.clientWidth;
else if (ns4) return LAYEROBJ.clip.width;
else if (dyn) return parseInt(LAYEROBJ.style.width);}
function setLayerSize(LAYEROBJ,WIDTH,HEIGHT) {
if (ie4) {
if (!isBlank(WIDTH)) LAYEROBJ.style.pixelWidth = WIDTH;
if (!isBlank(HEIGHT)) LAYEROBJ.style.pixelHeight = HEIGHT;}
else if (ns4) {
if (!isBlank(WIDTH)) LAYEROBJ.clip.right = WIDTH;
if (!isBlank(HEIGHT)) LAYEROBJ.clip.bottom = HEIGHT;}
else if (dyn) {
if (!isBlank(WIDTH)) LAYEROBJ.style.width = WIDTH + 'px';
if (!isBlank(HEIGHT)) LAYEROBJ.style.height = HEIGHT + 'px';}}
function setLayerHTML(LAYEROBJ,STR) {
if (navigator.userAgent.indexOf('MSIE 5.0') && navigator.userAgent.indexOf('Mac') != -1) STR += '\n';
if (ns4) {
LAYEROBJ.document.open();
LAYEROBJ.document.write(STR);
LAYEROBJ.document.close();}
else if (dyn) LAYEROBJ.innerHTML = STR;}
function getLayerObj(LAYERID) {
if (ie4) return document.all[LAYERID];
else if (ns4) {
var tempLayerObj = null;
var tempParentObj = (arguments.length == 1) ? document : arguments[1];
for (var tempLayerLoop in tempParentObj.layers) {
var tempObj = tempParentObj.layers[tempLayerLoop];
var tempConstructor = tempObj.constructor + '';
if (tempConstructor.indexOf('function Layer()') != -1) {
if (tempLayerLoop == LAYERID) return tempObj;
else if (tempObj.document.layers.length > 0) tempLayerObj = getLayer(LAYERID,tempObj);}}
return tempLayerObj;}
else if (dyn) return document.getElementById(LAYERID);}
function getLayerLeft(LAYEROBJ) {
if (ns4) return LAYEROBJ.left;
else if (dyn) return parseInt(LAYEROBJ.style.left);}
function getLayerTop(LAYEROBJ) {
if (ns4) return LAYEROBJ.top;
else if (dyn) return parseInt(LAYEROBJ.style.top);}
function moveLayerTo(LAYEROBJ,LEFT,TOP) {
if (ns4) {
if (isBlank(LEFT)) LEFT = getLayerLeft(LAYEROBJ);
if (isBlank(TOP)) TOP = getLayerTop(LAYEROBJ);
LAYEROBJ.moveTo(LEFT,TOP);}
else if (dyn) {
if (!isBlank(LEFT)) LAYEROBJ.style.left = LEFT + 'px';
if (!isBlank(TOP)) LAYEROBJ.style.top = TOP + 'px';}}
function hideLayer(LAYEROBJ) {
if (ns4) LAYEROBJ.visibility = 'hide';
else if (dyn) LAYEROBJ.style.visibility = 'hidden';}
function showLayer(LAYEROBJ) {
if (ns4) LAYEROBJ.visibility = 'show';
else if (dyn) LAYEROBJ.style.visibility = 'visible';}
function isBlank(STR) {
if (dyn) {
if (STR == null) STR = '';
STR += '';
STR = STR.replace(/^\s+|\s+$/g,'');
return (STR == '') ? true : false;}}