//t_txt.htmlText = new AsHighLighter(t_txt).highlight();
function AsHighLighter(txtObj,txtDat) {
	if (txtObj == null) {
		//alert("txtObj is null!");
		return;
	}
	
	var styles = new TextField.StyleSheet();
	styles.setStyle(".code",			{fontFamily:'Courier New', fontSize:'12px'});
	styles.setStyle(".keyword",		{color:'#0000C1'});
	styles.setStyle(".commonobject",	{color:'#000080',fontWeight:"bold"});
	styles.setStyle(".string",		{color:"#6E6E6E"});
	styles.setStyle(".comment",		{color:"#FF8040"});
	txtObj.styleSheet = styles;

	this._codetxt = txtDat.split("\n").join("");
	this._keywords = "break,continue,case,delete,do,default,else,for,function,if,in,ifFrameLoaded,new,on,onClipEvent,return,switch,tellTarget,trace,var,while,with,#include,#endinitclip,#initclip";
	this._commonObjects = "arguments,Accessibility,Array,Application,Boolean,Button,Color,CustomActions,Camera,Client,Date,false,Function,Key,LoadVars,LocalConnection,Math,Mouse,MovieClip,Microphone,null,newline,Number,NetConnection,NetStream,Object,super,Selection,Sound,Stage,String,System,SharedObject,Stream,true,this,TextField,TextFormat,undefined,Video,XML,XMLSocket";
	this._wordDelimiters = " ,.?!;:/<>(){}[]\"'\n\t=+*%";
	this.highlight = function() {
		var codeArr = new Array();
		var word_index = 0;
		var htmlTxt = "";
		for (var i = 0; i<this._codetxt.length; i++) {
			if (this._wordDelimiters.indexOf(this._codetxt.charAt(i)) == -1) {
				//找不到
				if (codeArr[word_index] == null || typeof (codeArr[word_index]) == 'undefined') {
					codeArr[word_index] = "";
				}
				codeArr[word_index] += this._codetxt.charAt(i);
			} else {
				if (typeof (codeArr[word_index]) != 'undefined' && codeArr[word_index].length>0) {
					word_index++;
				}
				codeArr[word_index++] = this._codetxt.charAt(i);
			}
		}
		var quote_opened = false;
		var slash_star_comment_opened = false;
		var slash_slash_comment_opened = false;
		var line_num = 1;
		htmlTxt += ("<p class='code'>");
		for (var i = 0; i<word_index; i++) {
			if (codeArr[i] == " ") {
				htmlTxt += ("&nbsp;");
			} else if (!slash_star_comment_opened && !quote_opened && this.isKeyword(codeArr[i])) {
				//keyword
				htmlTxt += ("<span class='keyword'>"+codeArr[i]+"</span>");
			} else if (!slash_star_comment_opened && !quote_opened && this.isCommonObject(codeArr[i])) {
				//keyword
				htmlTxt += ("<span class='commonobject'>"+codeArr[i]+"</span>");
			} else if (codeArr[i] == "\n") {
				if (slash_slash_comment_opened) {
					htmlTxt += ("</span>");
					slash_slash_comment_opened = false;
				}
				htmlTxt += ("<br>");
				line_num++;
			} else if (codeArr[i] == "\"" && codeArr[i-1] != "\\") {
				if (slash_star_comment_opened) {
					htmlTxt += (codeArr[i]);
					continue;
				}
				if (quote_opened) {
					htmlTxt += (codeArr[i]+"</span>");
					quote_opened = false;
				} else {
					htmlTxt += ("<span class='string'>"+codeArr[i]);
					quote_opened = true;
				}
			} else if (codeArr[i] == "/") {
				if (codeArr[i+1] == "*") {
					if (slash_slash_comment_opened || slash_star_comment_opened) {
						htmlTxt += (codeArr[i]);
						continue;
					}
					slash_star_comment_opened = true;
					htmlTxt += ("<span class='comment'>"+codeArr[i]+codeArr[i+1]);
					i++;
				} else if (codeArr[i+1] == "/") {
					if (slash_star_comment_opened || slash_slash_comment_opened) {
						htmlTxt += (codeArr[i]);
						continue;
					}
					slash_slash_comment_opened = true;
					htmlTxt += ("<span class='comment'>"+codeArr[i]+codeArr[i+1]);
					i++;
				} else {
					htmlTxt += (codeArr[i]);
				}
			} else if (codeArr[i] == "*") {
				if (codeArr[i+1] == "/") {
					if (slash_slash_comment_opened) {
						htmlTxt += (codeArr[i]);
						continue;
					}
					if (slash_star_comment_opened) {
						slash_star_comment_opened = false;
						htmlTxt += (codeArr[i]+codeArr[i+1]+"</span>");
						i++;
					}
				} else {
					htmlTxt += (codeArr[i]);
				}
			} else if (codeArr[i] == "\t") {
				//keyword
				htmlTxt += ("&nbsp;&nbsp;&nbsp;&nbsp;");
			} else if (codeArr[i] == "<") {
				//keyword
				htmlTxt += ("&lt;");
			} else {
				htmlTxt += (codeArr[i]);
			}
		}
		htmlTxt += ("</p>");
		return htmlTxt;
	};
	this.isKeyword = function(val) {
		var keywordArr = this._keywords.split(",");
		for (var i = 0; i<keywordArr.length; i++) {
			if (keywordArr[i] == val) {
				return true;
			}
		}
		return false;
	};
	this.isCommonObject = function(val) {
		var keywordArr = this._commonObjects.split(",");
		for (var i = 0; i<keywordArr.length; i++) {
			if (keywordArr[i] == val) {
				return true;
			}
		}
		return false;
	};
}