var imageObject;
function ResizeImage(obj, MaxW, MaxH)
{
    if (obj != null) imageObject = obj;
    var state=imageObject.readyState;
    var oldImage = new Image();
    oldImage.src = imageObject.src;
    var dW=oldImage.width; var dH=oldImage.height;
    if(dW>MaxW || dH>MaxH) {
        a=dW/MaxW; b=dH/MaxH;
        if(b>a) a=b;
        dW=dW/a; dH=dH/a;
    }
    if(dW > 0 && dH > 0)
        imageObject.width=dW;imageObject.height=dH;
    if(state!='complete' || imageObject.width>MaxW || imageObject.height>MaxH) {
        setTimeout("ResizeImage(null,"+MaxW+","+MaxH+")",40);
    }
}


function chcekMenu(tabnum,connum)
{
	  for(var i=0;i<3;i++)
	  {	 
	  document.getElementById("con_"+tabnum+i).style.display="none"; 
	 document.getElementById("menu_"+tabnum+i).className="x11";
	   }//menu_13
	document.getElementById("menu_"+tabnum+connum).className="x12";
	document.getElementById("con_"+tabnum+connum).style.display="block";
	}
	
	function chcekMenu1(tabnum,connum)
{
	  for(var i=0;i<2;i++)
	  {	 
	  document.getElementById("con1_"+tabnum+i).style.display="none"; 
	 document.getElementById("menu1_"+tabnum+i).className="x11";
	   }//menu_13
	document.getElementById("menu1_"+tabnum+connum).className="x12";
	document.getElementById("con1_"+tabnum+connum).style.display="block";
	}
	
function eWebEditor_DecodeFilter(html, filter){
	switch(filter.toUpperCase()){
	case "SCRIPT":		// 去除所有客户端脚本javascipt,vbscript,jscript,js,vbs,event,...
		html = eWebEditor_execRE("</?script[^>]*>", "", html);
		html = eWebEditor_execRE("(javascript|jscript|vbscript|vbs):", "$1：", html);
		html = eWebEditor_execRE("on(mouse|exit|error|click|key)", "<I>on$1</I>", html);
		html = eWebEditor_execRE("&#", "<I>&#</I>", html);
		break;
	case "TABLE":		// 去除表格<table><tr><td><th>
		html = eWebEditor_execRE("</?table[^>]*>", "", html);
		html = eWebEditor_execRE("</?tr[^>]*>", "", html);
		html = eWebEditor_execRE("</?th[^>]*>", "", html);
		html = eWebEditor_execRE("</?td[^>]*>", "", html);
		break;
	case "CLASS":		// 去除样式类class=""
		html = eWebEditor_execRE("(<[^>]+) class=[^ |^>]*([^>]*>)", "$1 $2", html) ;
		break;
	case "STYLE":		// 去除样式style=""
		html = eWebEditor_execRE("(<[^>]+) style=\"[^\"]*\"([^>]*>)", "$1 $2", html);
		break;
	case "XML":			// 去除XML<?xml>
		html = eWebEditor_execRE("<\\?xml[^>]*>", "", html);
		break;
	case "NAMESPACE":	// 去除命名空间<o:p></o:p>
		html = eWebEditor_execRE("<\/?[a-z]+:[^>]*>", "", html);
		break;
	case "FONT":		// 去除字体<font></font>
		html = eWebEditor_execRE("</?font[^>]*>", "", html);
		break;
	case "MARQUEE":		// 去除字幕<marquee></marquee>
		html = eWebEditor_execRE("</?marquee[^>]*>", "", html);
		break;
	case "OBJECT":		// 去除对象<object><param><embed></object>
		html = eWebEditor_execRE("</?object[^>]*>", "", html);
		html = eWebEditor_execRE("</?param[^>]*>", "", html);
		html = eWebEditor_execRE("</?embed[^>]*>", "", html);
		break;
	default:
	}
	return html;
}

// ============================================
// 执行正则表达式替换
// ============================================
function eWebEditor_execRE(re, rp, content) {
	oReg = new RegExp(re, "ig");
	r = content.replace(oReg, rp);
	return r; 
}