// JavaScript Document
function createAjaxObj(){
var xmlhttp=null;
try { 
	xmlhttp=new ActiveXObject("Msxml2.XMLHTTP") 
} catch(e) { 
	try { 
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); 
	} catch(oc) { 
		xmlhttp=null; 
	} 
} 

if ( !xmlhttp && typeof XMLHttpRequest != "undefined" ) { 
	xmlhttp=new XMLHttpRequest(); 
} 

  return xmlhttp;
}

function getXml(URL) {
    var Xmlhttp = createAjaxObj();//´´½¨XmlHttpRequest¶ÔÏó
    Xmlhttp.open("GET",URL, false);
	Xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded")
	
    try {
       Xmlhttp.send(null); 
       var result = Xmlhttp.status;	   
	} catch(e) {
		return("");
	}
	
    if(result==200) { 
         return (Xmlhttp.responseText); 
    } else {
		return ("");	
	}
   delete(Xmlhttp);
}

function changePItem(iid){
	ppic = getXml('getpinfo.asp?vtype=pic&iid='+iid);
	ptitle = getXml('getpinfo.asp?vtype=title&iid='+iid);
	pcontent = getXml('getpinfo.asp?vtype=content&iid='+iid);
	
	document.getElementById("pic").src = ppic;
	document.getElementById("title").innerHTML = ptitle;
	document.getElementById("content").innerHTML = pcontent;
}

function changeYItem(iid){
	ypic = getXml('getyinfo.asp?vtype=pic&iid='+iid);
	ytitle = getXml('getyinfo.asp?vtype=title&iid='+iid);
	ycontent = getXml('getyinfo.asp?vtype=content&iid='+iid);
	
	document.getElementById("pic").src = ypic;
	document.getElementById("title").innerHTML = ytitle;
	document.getElementById("content").innerHTML = ycontent;
}

function changeMItem(iid){
	ypic = getXml('getminfo.asp?vtype=pic&iid='+iid);
	ytitle = getXml('getminfo.asp?vtype=title&iid='+iid);
	ycontent = getXml('getminfo.asp?vtype=content&iid='+iid);
	
	for(i=0; i<iarr.length; i++){
		if(iarr[i] == iid){
			document.getElementById('mmrml'+iarr[i]).style.background='url(images/mrmlbtn1.jpg)';
		}
		else{
			document.getElementById('mmrml'+iarr[i]).style.background='url(images/mrmlbtn2.jpg)';
		}
	}
	
	document.getElementById("pic").src = ypic;
	document.getElementById("title").innerHTML = ytitle;
	document.getElementById("content").innerHTML = ycontent;
}