//
// Emulate the "innerHTML" and "insertAdjacentHTML" properties in IE DOM if
// they aren't supported natively.
//

if (document.childNodes && ! document.childNodes[0].innerHTML) {

HTMLElement.prototype.innerHTML setter = function (str) {
	var r = this.ownerDocument.createRange();
	r.selectNodeContents(this);
	r.deleteContents();
	var df = r.createContextualFragment(str);
	this.appendChild(df);
	
	return str;
}
  
HTMLElement.prototype.outerHTML setter = function (str) {
	var r = this.ownerDocument.createRange();
	r.setStartBefore(this);
	var df = r.createContextualFragment(str);
	this.parentNode.replaceChild(df, this);
	return str;
}


HTMLElement.prototype.innerHTML getter = function () {
	return getInnerHTML(this);
}

function getInnerHTML(node) {
	var str = "";
	for (var i=0; i<node.childNodes.length; i++)
		str += getOuterHTML(node.childNodes.item(i));
	return str;
}

HTMLElement.prototype.outerHTML getter = function () {
	return getOuterHTML(this);
}

function getOuterHTML(node) {
	var str = "";
	
	switch (node.nodeType) {
		case 1: // ELEMENT_NODE
			str += "<" + node.nodeName;
			for (var i=0; i<node.attributes.length; i++) {
				if (node.attributes.item(i).nodeValue != null) {
					str += " ";
					str += node.attributes.item(i).nodeName;
					str += "=\"";
					str += node.attributes.item(i).nodeValue;
					str += "\"";
				}
			}

			if (node.childNodes.length == 0 && leafElems[node.nodeName])
				str += ">";
			else {
				str += ">";
				str += getInnerHTML(node);
				str += "<" + node.nodeName + ">";
			}
			break;
				
		case 3:	//TEXT_NODE
			str += node.nodeValue;
			break;
			
		case 4: // CDATA_SECTION_NODE
			str += "<![CDATA[" + node.nodeValue + "]]>";
			break;
					
		case 5: // ENTITY_REFERENCE_NODE
			str += "&" + node.nodeName + ";";
			break;

		case 8: // COMMENT_NODE
			str += "<!--" + node.nodeValue + "-->";
			break;
	}

	return str;
}


var _leafElems = ["IMG", "HR", "BR", "INPUT"];
var leafElems = {};
for (var i=0; i<_leafElems.length; i++)
	leafElems[_leafElems[i]] = true;

}


// insertAdjacentHTML(), insertAdjacentText() and insertAdjacentElement()
// for Netscape 6/Mozilla by Thor Larholm thor@jscript.dk
// Usage: include this code segment at the beginning of your document
// before any other Javascript contents.

if (document.childNodes&&!document.childNodes[0].insertAdjacentHTML){

HTMLElement.prototype.insertAdjacentElement = function(where,parsedNode)
{

	switch (where){
	case 'beforeBegin':
		this.parentNode.insertBefore(parsedNode,this);
		break;
	case 'afterBegin':
		this.insertBefore(parsedNode,this.firstChild);
		break;
	case 'beforeEnd':
		this.appendChild(parsedNode);
		break;
	case 'afterEnd':
		if (this.nextSibling){
			this.parentNode.insertBefore(parsedNode,this.nextSibling);
		} else {
			this.parentNode.appendChild(parsedNode);
		}
		break;
	}
}

HTMLElement.prototype.insertAdjacentHTML = function(where,htmlStr){

	var r = this.ownerDocument.createRange();
	r.setStartBefore(this);
	var parsedHTML = r.createContextualFragment(htmlStr);
	this.insertAdjacentElement(where,parsedHTML);
}


HTMLElement.prototype.insertAdjacentText = function(where,txtStr){

	var parsedText = document.createTextNode(txtStr);
	this.insertAdjacentElement(where,parsedText);
}
}