function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//单选按钮默认
function defaultRadio(name,val){
   var obj=document.getElementsByName(name);
    for(var i=0;i<obj.length;i++){
        if(obj[i].value==val){obj.checked=true;break;}
    } 
}
//下拉框默认
function defaultSelect(name,val){
    var obj=document.getElementById(name);
    var len=obj.options.length;
    for(var i=0;i<len;i++){
        if(obj.options[i].value==val){obj.options[i].selected=true;break;}
    }
}
function clearHtml(img,Td){
    document.getElementById(img).innerHTML="";
    document.getElementById(Td).innerHTML="";
}

function gid(name){return document.getElementById(name);}

 //分页
function fristPage(page,url,formName)
{
	if(page==1)return;
	if(gid(formName)){gid(formName).action=(url+"?pageIndex=1");
		gid(formName).submit();
	}else{
		location=url+"?pageIndex=1";
	}
}
function lastPage(lastPage,page,url,formName)
{
	if(page==lastPage)return;
	if(gid(formName)){
		gid(formName).action=(url+"?pageIndex="+lastPage);
		gid(formName).submit();
	}else{
		location=(url+"?pageIndex="+lastPage);
	}
}
function backPage(page,url,formName)
{
	if(page<=1)return;
	var newpage=parseInt(page)-1;
	if(gid(formName)){
		gid(formName).action=(url+"?pageIndex="+newpage);
		gid(formName).submit();
	}else{
		location=(url+"?pageIndex="+newpage);
	}
}
function nextPage(page,lastPage,url,formName)
{
	if(page>=lastPage)
		return;
	var newpage=parseInt(page)+1;
	if(gid(formName)){
		gid(formName).action=(url+"?pageIndex="+newpage);
		gid(formName).submit();
	}else{
		location=(url+"?pageIndex="+newpage);
	}
}
function zhuanPage(zpage,page,url,formName)
{
	var txt=gid("goPage").value;
	var ok=txt.match(/^[0-9]*[1-9][0-9]*$/);
    if(parseInt(txt)==page){return;}
    else if(ok==null){
        alert("Invalid Page!");return;
    }else if(txt>zpage ||txt<page){
        alert("Page out of range!");return;
    }
	if(gid(formName)){
		gid(formName).action=(url+"?pageIndex="+txt);
		gid(formName).submit();
	}else{
		location=(url+"?pageIndex="+txt);
	}
}