/*
 * HTML Parser By John Resig (ejohn.org)
 * Original code by Erik Arvidsson, Mozilla Public License
 * http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
 *
 * // Use like so:
 * HTMLParser(htmlString, {
 *     start: function(tag, attrs, unary) {},
 *     end: function(tag) {},
 *     chars: function(text) {},
 *     comment: function(text) {}
 * });
 *
 * // or to get an XML string:
 * HTMLtoXML(htmlString);
 *
 * // or to get an XML DOM Document
 * HTMLtoDOM(htmlString);
 *
 * // or to inject into an existing document/DOM node
 * HTMLtoDOM(htmlString, document);
 * HTMLtoDOM(htmlString, document.body);
 *
 */

(function(){

	var browser = navigator.appName;
	

	// Regular Expressions for parsing tags and attributes
	var startTag = /^<(\w+)((?:\s+\w+(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/,
		endTag = /^<\/(\w+)[^>]*>/,
		attr = /(\w+)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g;
		
	// Empty Elements - HTML 4.01
	if(browser != "Microsoft Internet Explorer") {
		var empty = makeMap("br,hr,img,input,param,embed"); }
	else {
		var empty = makeMap("BR,HR,IMG,INPUT,PARAM,EMBED"); }


	// Block Elements - HTML 4.01
	if(browser != "Microsoft Internet Explorer") {
	var block = makeMap("address,applet,blockquote,button,center,dd,del,dir,div,dl,dt,fieldset,form,frameset,hr,iframe,ins,isindex,li,map,menu,noframes,noscript,object,ol,p,pre,script,table,tbody,td,tfoot,th,thead,tr,ul");
	} else {	
	var block = makeMap("ADDRESS,APPLET,BLOCKQUOTE,BUTTON,CENTER,DD,DEL,DIR,DIV,DL,DT,FIELDSET,FORM,FRAMESET,HR,IFRAME,INS,ISINDEX,LI,MAP,MENU,NOFRAMES,NOSCRIPT,OBJECT,OL,P,PRE,SCRIPT,TABLE,TBODY,TD,TFOOT,TH,THEAD,TR,UL")
	}	

	// Inline Elements - HTML 4.01

	if(browser != "Microsoft Internet Explorer") {
	var inline = makeMap("a,abbr,acronym,applet,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,textarea,tt,u,var");
	} else {
	var inline = makeMap("A,ABBR,ACRONYM,APPLET,B,BASEFONT,BDO,BIG,BR,BUTTON,CITE,CODE,DEL,DFN,EM,FONT,I,IFRAME,IMG,INPUT,INS,KBD,LABEL,MAP,OBJECT,Q,S,SAMP,SCRIPT,SELECT,SMALL,SPAN,STRIKE,STRONG,SUB,SUP,TEXTAREA,TT,U,VAR");
	}	
	// Elements that you can, intentionally, leave open
	// (and which close themselves)
	if(browser != "Microsoft Internet Explorer") {
	var closeSelf = makeMap("colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr"); } else {
	var closeSelf = makeMap("COLGROUP,DD,DT,LI,OPTIONS,P,TD,TFOOT,TH,THEAD,TR"); }
	// Attributes that have their values filled in disabled="disabled"
	var fillAttrs = makeMap("checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected");

	// Special Elements (can contain anything)
	var special = makeMap("style");

	var HTMLParser = this.HTMLParser = function( html, handler ) {
		var index, chars, match, stack = [], last = html;
		stack.last = function(){
			return this[ this.length - 1 ];
		};

		while ( html ) {
			chars = true;

			// Make sure we're not in a script or style element
			if ( !stack.last() || !special[ stack.last() ] ) {

				// Comment
				if ( html.indexOf("<!--") == 0 ) {
					index = html.indexOf("-->");
	
					if ( index >= 0 ) {
						if ( handler.comment )
							handler.comment( html.substring( 4, index ) );
						html = html.substring( index + 3 );
						chars = false;
					}
	
				// end tag
				} else if ( html.indexOf("</") == 0 ) {
					match = html.match( endTag );
	
					if ( match ) {
						html = html.substring( match[0].length );
						match[0].replace( endTag, parseEndTag );
						chars = false;
					}
	
				// start tag
				} else if ( html.indexOf("<") == 0 ) {
					match = html.match( startTag );
	
					if ( match ) {
						html = html.substring( match[0].length );
						match[0].replace( startTag, parseStartTag );
						chars = false;
					}
				}

				if ( chars ) {
					index = html.indexOf("<");
					
					var text = index < 0 ? html : html.substring( 0, index );
					html = index < 0 ? "" : html.substring( index );
					
					if ( handler.chars )
						handler.chars( text );
				}

			} else {
				html = html.replace(new RegExp("(.*)<\/" + stack.last() + "[^>]*>"), function(all, text){
					text = text.replace(/<!--(.*?)-->/g, "$1")
						.replace(/<!\[CDATA\[(.*?)]]>/g, "$1");

					if ( handler.chars )
						handler.chars( text );

					return "";
				});

				parseEndTag( "", stack.last() );
			}

			if ( html == last ) {
				alert("Parse Error: " + html);
				throw "Parse Error: " + html;
			}
			last = html;
		}
		
		// Clean up any remaining tags
		parseEndTag();

		function parseStartTag( tag, tagName, rest, unary ) {
			if ( block[ tagName ] ) {
				while ( stack.last() && inline[ stack.last() ] ) {
					parseEndTag( "", stack.last() );
				}
			}

			if ( closeSelf[ tagName ] && stack.last() == tagName ) {
				parseEndTag( "", tagName );
			}

			unary = empty[ tagName ] || !!unary;

			if ( !unary )
				stack.push( tagName );
			
			if ( handler.start ) {
				var attrs = [];
	
				rest.replace(attr, function(match, name) {
					var value = arguments[2] ? arguments[2] :
						arguments[3] ? arguments[3] :
						arguments[4] ? arguments[4] :
						fillAttrs[name] ? name : "";
					
					attrs.push({
						name: name,
						value: value,
						escaped: value.replace(/(^|[^\\])"/g, '$1\\\"') //"
					});
				});
	
				if ( handler.start )
					handler.start( tagName, attrs, unary );
			}
		}

		function parseEndTag( tag, tagName ) {
			// If no tag name is provided, clean shop
			if ( !tagName )
				var pos = 0;
				
			// Find the closest opened tag of the same type
			else
				for ( var pos = stack.length - 1; pos >= 0; pos-- )
					if ( stack[ pos ] == tagName )
						break;
			
			if ( pos >= 0 ) {
				// Close all the open elements, up the stack
				for ( var i = stack.length - 1; i >= pos; i-- )
					if ( handler.end )
						handler.end( stack[ i ] );
				
				// Remove the open elements from the stack
				stack.length = pos;
			}
		}
	};
	
	this.HTMLtoXML = function( html ) {
		var results = "";
		
		HTMLParser(html, {
			start: function( tag, attrs, unary ) {
				results += "<" + tag;
		
				for ( var i = 0; i < attrs.length; i++ )
					results += " " + attrs[i].name + '="' + attrs[i].escaped + '"';
		
				results += (unary ? "/" : "") + ">";
			},
			end: function( tag ) {
				results += "</" + tag + ">";
			},
			chars: function( text ) {
				results += text;
			},
			comment: function( text ) {
				results += "<!--" + text + "-->";
			}
		});
		
		return results;
	};
	
	this.HTMLtoDOM = function( html, doc ) {
		// There can be only one of these elements
		var one = makeMap("html,head,body,title");
		
		// Enforce a structure for the document
		var structure = {
			link: "head",
			base: "head"
		};
	
		if ( !doc ) {
			if ( typeof DOMDocument != "undefined" )
				doc = new DOMDocument();
			else if ( typeof document != "undefined" && document.implementation && document.implementation.createDocument )
				doc = document.implementation.createDocument("", "", null);
			else if ( typeof ActiveX != "undefined" )
				doc = new ActiveXObject("Msxml.DOMDocument");
			
		} else
			doc = doc.ownerDocument ||
				doc.getOwnerDocument && doc.getOwnerDocument() ||
				doc;
		
		var elems = [],
			documentElement = doc.documentElement ||
				doc.getDocumentElement && doc.getDocumentElement();
				
		// If we're dealing with an empty document then we
		// need to pre-populate it with the HTML document structure
		if ( !documentElement && doc.createElement ) (function(){
			var html = doc.createElement("html");
			var head = doc.createElement("head");
			head.appendChild( doc.createElement("title") );
			html.appendChild( head );
			html.appendChild( doc.createElement("body") );
			doc.appendChild( html );
		})();
		
		// Find all the unique elements
		if ( doc.getElementsByTagName )
			for ( var i in one )
				one[ i ] = doc.getElementsByTagName( i )[0];
		
		// If we're working with a document, inject contents into
		// the body element
		var curParentNode = one.body;
		
		HTMLParser( html, {
			start: function( tagName, attrs, unary ) {
				// If it's a pre-built element, then we can ignore
				// its construction
				if ( one[ tagName ] ) {
					curParentNode = one[ tagName ];
					return;
				}
			
				var elem = doc.createElement( tagName );
				
				for ( var attr in attrs )
					elem.setAttribute( attrs[ attr ].name, attrs[ attr ].value );
				
				if ( structure[ tagName ] && typeof one[ structure[ tagName ] ] != "boolean" )
					one[ structure[ tagName ] ].appendChild( elem );
				
				else if ( curParentNode && curParentNode.appendChild )
					curParentNode.appendChild( elem );
					
				if ( !unary ) {
					elems.push( elem );
					curParentNode = elem;
				}
			},
			end: function( tag ) {
				elems.length -= 1;
				
				// Init the new parentNode
				curParentNode = elems[ elems.length - 1 ];
			},
			chars: function( text ) {
				curParentNode.appendChild( doc.createTextNode( text ) );
			},
			comment: function( text ) {
				// create comment node
			}
		});
		
		return doc;
	};

	function makeMap(str){
		var obj = {}, items = str.split(",");
		for ( var i = 0; i < items.length; i++ )
			obj[ items[i] ] = true;
		return obj;
	}
})();

function validate_source(objname){
var txt= document.getElementById(objname).value
validateXML(txt,'alert')
}

function validateXML(txt,xmethod)
{
// code for IE
if (window.ActiveXObject)
  {
  var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
  xmlDoc.async="false";
  xmlDoc.loadXML("<root>" + document.all(txt).value + "</root>");

  if(xmlDoc.parseError.errorCode!=0)
    {
    txt="Error Code: " + xmlDoc.parseError.errorCode + "\n";
    txt=txt+"Error Reason: " + xmlDoc.parseError.reason;
    txt=txt+"Error Line: " + xmlDoc.parseError.line;
    }
  else
    {
    txt="No errors found";
    }
  }
// code for Mozilla, Firefox, Opera, etc.
else if (document.implementation.createDocument)
  {
var parser=new DOMParser();
var text="<root>" + document.getElementById(txt).value  + "</root>";
var xmlDoc=parser.parseFromString(text,"text/xml");

  if (xmlDoc.documentElement.nodeName=="parsererror")
    {
    txt=xmlDoc.documentElement.childNodes[0].nodeValue;
    }
  else
    {
    txt="No errors found";
    }
  }

else
  {
  alert('Your browser cannot handle XML validation');
  }
if (xmethod=='system')  {return txt}
else {alert(txt)}
}


function getInnerXML(node) {
	var current_pre=''
			if (document.all) 	{
				current_pre = node.xml
			}
			else {
				var serializer = new XMLSerializer();
				current_pre = XML(serializer.serializeToString(node)).toXMLString();
				//current_pre = new XMLSerializer().serializeToString()
				}
return current_pre
}

function getInnerText(node) {
if (typeof node.textContent != 'undefined') {
return node.textContent;
}
else if (typeof node.innerText != 'undefined') {
return node.innerText;
}
else if (typeof node.text != 'undefined') {
return node.text;
}
else {
switch (node.nodeType) {
case 3:
case 4:
return node.nodeValue;
break;
case 1:
case 11:
var innerText = '';
for (var i = 0; i < node.childNodes.length; i++) {
innerText += getInnerText(node.childNodes[i]);
}
return innerText;
break;
default:
return '';
}
}
}