function ge(strId){
	return document.getElementById(strId);
}

function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }
    }
    return (arrReturnElements)
}

function addClassName(oElm, strClassName){
	var strCurrentClass = oElm.className;
	if(!new RegExp(strClassName, "i").test(strCurrentClass)){
		oElm.className = strCurrentClass + ((strCurrentClass.length > 0)? " " : "") + strClassName;
	}
}

function removeClassName(oElm, strClassName){
	var oClassToRemove = new RegExp((strClassName + "\s?"), "i");
	oElm.className = oElm.className.replace(oClassToRemove, "").replace(/^\s?|\s?$/g, "");
}

function is_ws(nod) {
	return !(/[^\t\n\r ]/.test(nod.data));
}

function is_all_ws(nod) {
    // Use ECMA-262 Edition 3 String and RegExp features
    return !(/[^\t\n\r ]/.test(nod.data));
}

function is_ignorable(nod) {
    return ( nod.nodeType == 8) || // A comment node
         ( (nod.nodeType == 3) && is_all_ws(nod) ); // a text node, all ws
}

function findWhiteSpace(node, nodeNo) {
	for (i=0; i<node.childNodes.length; i++) {
		if (node.childNodes[i].nodeType == 3 && is_all_ws(node.childNodes[i])) {
			nodesToDelete[nodesToDelete.length] = node.childNodes[i]
		}
		if (node.childNodes[i].hasChildNodes()) {
			findWhiteSpace(node.childNodes[i], i);
		}
	}
	node = node.parentNode;
	i = nodeNo;
}

function stripWhiteSpace(node) {
	nodesToDelete = Array();
	findWhiteSpace(node, 0);
	for(i=nodesToDelete.length-1;i>=0;i--) {
		nodeRef = nodesToDelete[i];
		nodeRef.parentNode.removeChild(nodeRef)
	}
}

function findOffsetLeft(obj) {
    var curleft = 0;
    if (obj.offsetParent) {
        curleft = obj.offsetLeft
        while (obj = obj.offsetParent) {
            curleft += obj.offsetLeft
        }
    }
    return curleft;
}

function findPosTop(obj) {
	var curtop = 0;
	if (obj.offsetParent) {
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curtop += obj.offsetTop
		}
	}
	return curtop;
}