// JScript File

// Cross Browser DOM
// copyright Stephen Chapman, 1th Jan 2008
// you may copy this code but please keep the copyright notice as well
var aDOM = 0, ieDOM = 0, nsDOM = 0;
var stdDOM = document.getElementById; 
if (stdDOM) aDOM = 1; 
else {
	ieDOM = document.all; 
	if (ieDOM) aDOM = 1;
	else {
		var nsDOM = ((navigator.appName.indexOf('Netscape') != -1) && (parseInt(navigator.appVersion) ==4)); 
		if (nsDOM) aDOM = 1;
	}
} 

function xDOM(objectId, wS) 
{
	if (stdDOM) return wS ? document.getElementById(objectId).style:document.getElementById(objectId); 
	if (ieDOM) return wS ? document.all[objectId].style: document.all[objectId]; 
	if (nsDOM) return document.layers[objectId];
}

// Object Functions
// copyright Stephen Chapman, 4th Jan 2005
// you may copy these functions but please keep the copyright notice as well
function objWidth(objectID) {var obj = xDOM(objectID,0); if(obj.offsetWidth) return obj.offsetWidth; if (obj.clip) return obj.clip.width; return 0;}
function objHeight(objectID) {var obj = xDOM(objectID,0); if(obj.offsetHeight) return obj.offsetHeight; if (obj.clip) return obj.clip.height; return 0;}
function objLeft(objectID) {var obj = xDOM(objectID,0);var objs = xDOM(objectID,1);  if(objs.left) return objs.left; if (objs.pixelLeft) return objs.pixelLeft; if (obj.offsetLeft) return obj.offsetLeft; return 0;}
function objTop(objectID) {var obj = xDOM(objectID,0);var objs = xDOM(objectID,1);  if(objs.top) return objs.top; if (objs.pixelTop) return objs.pixelTop; if (obj.offsetTop) return obj.offsetTop; return 0;}
function objRight(objectID) {return objLeft(objectID)+objWidth(objectID);}
function objBottom(objectID) {return objTop(objectID)+objHeight(objectID);}
function objLayer(objectID) {var objs = xDOM(objectID,1); if(objs.zIndex) return objs.zIndex; return 0;}
function objVisible(objectID) {var objs = xDOM(objectID,1); if(objs.visibility == 'hide' || objs.visibility == 'hidden') return 'hidden'; return 'visible';}

// More Object Functions
// copyright Stephen Chapman, 18th Jan 2005
// you may copy these functions but please keep the copyright notice as well
function setObjVis(objectID,vis) {var objs = xDOM(objectID,1); objs.visibility = vis;}
function toggleObjVis(objectID) {var objs = xDOM(objectID,1); var vis = objs.visibility; objs.visibility = (vis == "visible" || vis == "show") ? 'hidden' : 'visible';}
function moveObjTo(objectID,x,y) {var objs = xDOM(objectID,1); objs.left = x; objs.top = y;}
function moveObjToY(objectID,y) {var objs = xDOM(objectID,1); objs.top = y;}
function moveObjToX(objectID,x) {var objs = xDOM(objectID,1); objs.left = x;}
function moveObjBy(objectID,x,y) {var obj = xDOM(objectID,0);var objs = xDOM(objectID,1); if (obj.offsetLeft != null) {var l = obj.offsetLeft; var t = obj.offsetTop; objs.left = l+x; objs.top = t+y;} else if (objs.pixelLeft != null) {objs.pixelLeft += x; objs.pixelTop += y;} else obj.moveBy(x,y);}
function moveObjLayer(objectID,z) {var objs = xDOM(objectID,1); objs.zIndex = z;}

// Browser Window Size and Position
// copyright Stephen Chapman, 3rd Jan 2005
// you may copy these functions but please keep the copyright notice as well
function pageWidth() {return window.innerWidth != null? window.innerWidth: document.body != null? document.body.clientWidth:null;}
function pageHeight() {return window.innerHeight != null? window.innerHeight: document.body != null? document.body.clientHeight:null;}
function posLeft() {return typeof window.pageXOffset != 'undefined' ? window.pageXOffset:document.documentElement.scrollLeft? document.documentElement.scrollLeft:document.body.scrollLeft? document.body.scrollLeft:0;}
function posTop() {return typeof window.pageYOffset != 'undefined' ? window.pageYOffset:document.documentElement.scrollTop? document.documentElement.scrollTop: document.body.scrollTop?document.body.scrollTop:0;}
function posRight() {return posLeft()+pageWidth();}
function posBottom() {return posTop()+pageHeight();}