var report_button_index = 0;
var enableinfo = '举报';

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
     var arVersion = navigator.appVersion.split("MSIE")
     var version = parseFloat(arVersion[1])
     if ((version >= 5.5) && (document.body.filters)) 
     {
       for(var j=0; j<document.images.length; j++)
       {
           var img = document.images[j]
           var imgName = img.src.toUpperCase()
           if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
           {
             var imgID = (img.id) ? "id='" + img.id + "' " : ""
             var imgClass = (img.className) ? "class='" + img.className + "' " : ""
             var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
             var imgStyle = "display:inline-block;" + img.style.cssText 
             if (img.align == "left") imgStyle = "float:left;" + imgStyle
             if (img.align == "right") imgStyle = "float:right;" + imgStyle
             if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
             var strNewHTML = "<span " + imgID + imgClass + imgTitle
             + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
             + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
             + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
             img.outerHTML = strNewHTML
             j = j-1
           }
       }
     }    
}
window.attachEvent("onload", correctPNG);

function show_report_button(disableinfo)
{
	if (typeof(disableinfo) == "undefined")
	{
		disableinfo = '已举报';
	}
    var html = '<a name="#r_' + report_button_index + '"></a>';
    html += '<span id="report_' + report_button_index + '_container">';
	//html += '	<a id="report_' + report_button_index + '" href="javascript:void(0);" onclick="send_report(' + report_button_index + ',\'' + disableinfo + '\');">' + enableinfo + '</a>';
	html += '	<a id="report_' + report_button_index + '" href="javascript:void(0);" onclick="createreportdiv(this.id,'+report_button_index+', \''+disableinfo+'\')">' + enableinfo + '</a>';
	html += '</span>';
    report_button_index++;
	output_html(html);
}

function send_report(id,index, disableinfo)
{
	var message=$('reportmessage'+index).value;
    sendReportRequest('tools/ajax.aspx?t=report', index, disableinfo,message,id);    
}

function output_html(html)
{
    document.write(html);
}

function sendReportRequest(action, button_index, disableinfo,message,id) {
	if (action && action != '')
	{	
		var oXmlHttp = createXMLHttp();
		oXmlHttp.open("post", action, true);
		oXmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		oXmlHttp.onreadystatechange = function () {
			if (oXmlHttp.readyState == 4) {
				if (oXmlHttp.status == 200) {
					RetrunResult(oXmlHttp.responseXML,button_index,disableinfo,id);
					//report over, disable report link.
					//$("report_" + button_index + "_container").innerHTML = disableinfo;					
				} else {
					alert("An error occurred: " + oXmlHttp.statusText);
				}
			}
		};
		var queryParm = 'reportmessage='+message+'&report_url=' + encodeURIComponent(document.location + '#r_' + button_index);
		oXmlHttp.send(queryParm);
	}
	

}

function RetrunResult(doc,button_index,disableinfo,id)
{
	   var err = doc.getElementsByTagName('error');
		if (err[0] != null && err[0] != undefined)
		{
			if (err[0].childNodes.length > 1) {
				alert(err[0].childNodes[1].nodeValue);
			} else {
				alert(err[0].firstChild.nodeValue);    		
			}
			return;
		}
		else
		{		
	    $('reportmessage'+button_index).value='';
		$(id + "_menu").style.display='none';
		$("report_" + button_index + "_container").innerHTML = disableinfo;				
		return;
			}
	
	
	}


function createreportdiv(id,index, disableinfo)
{
	if(!$(id + "_menu"))
	{
	var div = document.createElement("DIV");
	var reportid='reportmessage'+index;
	div.id = id + "_menu";
	div.style.display = "none";
	div.style.width='270px';
	div.className='popupmenu_popup';
	var html ='<form id="commentform" >';
	    html +='<table border="0" cellpadding="0" cellspacing="0">';	
			  html +='<tr>';
		html +='<td>&nbsp;</td>';
	   html +=' <td>请输入举报理由</td>';
	 html +=' </tr>                                          ';     
		
		
	  html +='<tr>';
		html +='<td>&nbsp;</td>';
	   html +=' <td><textarea name="'+reportid+'" cols="43" rows="6" id="'+reportid+'"></textarea></td>';
	 html +=' </tr>                                          ';            
	 html +=' <tr>';
	 html +='   <td>&nbsp;</td>';
	  html +='  <td><input type="button" value="提交" onclick="send_report(\''+id+'\','+index+',\''+disableinfo+'\')"/></td>';
	 html +=' </tr>';
	html +='</table>';
	html +='</form>';
  div.innerHTML =html;
  document.body.appendChild (div);
	}
	showMenu(id);
	}