layerLeft = new Array();
layerTop = new Array();
function setVisibility(layer, on) {if (on) {if (DOM) {document.getElementById(layer).style.visibility = 'visible';} else if (NS4) {document.layers[layer].visibility = 'show';
} else {document.all[layer].style.visibility = 'visible';}
} else {if (DOM) {document.getElementById(layer).style.visibility = 'hidden';} else if (NS4) {document.layers[layer].visibility = 'hide';} else {document.all[layer].style.visibility = 'hidden';}}}
function isVisible(layer) {if (DOM) {return (document.getElementById(layer).style.visibility == 'visible');} else if (NS4) {return (document.layers[layer].visibility == 'show');} else {return (document.all[layer].style.visibility == 'visible');}}
function setLeft(layer, x) {layerLeft[layer] = x;
if (DOM && !Opera5) {document.getElementById(layer).style.left = x + 'px';} else if (Opera5) {document.getElementById(layer).style.left = x;} else if (NS4) {document.layers[layer].left = x;} else {document.all[layer].style.pixelLeft = x;}}
function getOffsetLeft(layer){var value = 0;
if (DOM) {	// Mozilla, Konqueror >= 2.2, Opera >= 5, IE
object = document.getElementById(layer); value = object.offsetLeft;
//alert (object.tagName + ' --- ' + object.offsetLeft);
while (object.tagName != 'BODY' && object.offsetParent) {object = object.offsetParent;
//alert (object.tagName + ' --- ' + object.offsetLeft);
value += object.offsetLeft;}} else if (NS4) {value = document.layers[layer].pageX;} else {	// IE4 IS SIMPLY A BASTARD !!!
if (document.all['IE4' + layer]) {layer = 'IE4' + layer;} object = document.all[layer]; value = object.offsetLeft;
while (object.tagName != 'BODY') {object = object.offsetParent;	value += object.offsetLeft;}} return (value);}
function setTop(layer, y) {layerTop[layer] = y; if (DOM && !Opera5) {document.getElementById(layer).style.top = y + 'px';} else if (Opera5) {document.getElementById(layer).style.top = y;} else if (NS4) {document.layers[layer].top = y;} else {document.all[layer].style.pixelTop = y;}}
function getOffsetTop(layer) {// IE 5.5 and 6.0 behaviour with this function is really strange:
var value = 0;
if (DOM) {object = document.getElementById(layer); value = object.offsetTop; while (object.tagName != 'BODY' && object.offsetParent) {object = object.offsetParent; value += object.offsetTop;}
} else if (NS4) {value = document.layers[layer].pageY;} else {	// IE4 IS SIMPLY A BASTARD !!!
if (document.all['IE4' + layer]) {layer = 'IE4' + layer;} object = document.all[layer]; value = object.offsetTop; while (object.tagName != 'BODY') {object = object.offsetParent; value += object.offsetTop;}} return (value);}
function setWidth(layer, w) {if (DOM) {document.getElementById(layer).style.width = w;} else if (NS4) {//document.layers[layer].width = w;
} else {document.all[layer].style.pixelWidth = w;}} function getOffsetWidth(layer) { var value = 0;
if (DOM && !Opera56) {value = document.getElementById(layer).offsetWidth;} else if (NS4) {value = document.layers[layer].document.width;} else if (Opera56) {value = document.getElementById(layer).style.pixelWidth;} else {	// IE4 IS SIMPLY A BASTARD !!!
if (document.all['IE4' + layer]) {layer = 'IE4' + layer;} value = document.all[layer].offsetWidth;} return (value);}
function setHeight(layer, h) {if (DOM) {document.getElementById(layer).style.height = h;} else if (NS4) {//document.layers[layer].height = h;
} else {document.all[layer].style.pixelHeight = h;}}
function getOffsetHeight(layer) {var value = 0;
if (DOM && !Opera56) {value = document.getElementById(layer).offsetHeight;} else if (NS4) {value = document.layers[layer].document.height;} else if (Opera56) {value = document.getElementById(layer).style.pixelHeight;} else {// IE4 IS SIMPLY A BASTARD !!!
if (document.all['IE4' + layer]) {layer = 'IE4' + layer;} value = document.all[layer].offsetHeight;} return (value);}
function getWindowWidth() {var value = 0;
if ((DOM && !IE) || NS4 || Konqueror || Opera) {value = window.innerWidth;
//	} else if (NS4) { //value = document.width;
} else {	// IE
if (document.documentElement && document.documentElement.clientWidth) {value = document.documentElement.clientWidth;} else if (document.body) {	value = document.body.clientWidth;}}
if (isNaN(value)) {value = window.innerWidth;} return (value);}
function getWindowXOffset() {var value = 0;
if ((DOM && !IE) || NS4 || Konqueror || Opera) {value = window.pageXOffset;} else {	// IE
if (document.documentElement && document.documentElement.scrollLeft) {value = document.documentElement.scrollLeft;} else if (document.body) {value = document.body.scrollLeft;}} return (value);}
function getWindowHeight() {var value = 0;	if ((DOM && !IE) || NS4 || Konqueror || Opera) {value = window.innerHeight;} else {	// IE
if (document.documentElement && document.documentElement.clientHeight) {value = document.documentElement.clientHeight;} else if (document.body) {value = document.body.clientHeight;}}
if (isNaN(value)) {value = window.innerHeight;}	return (value);}
function getWindowYOffset() {var value = 0;
if ((DOM && !IE) || NS4 || Konqueror || Opera) {value = window.pageYOffset;} else {	// IE
if (document.documentElement && document.documentElement.scrollTop) {value = document.documentElement.scrollTop;} else if (document.body) {value = document.body.scrollTop;}} return (value);}