function isBlank( s ) //是否是空白字符串
{
  var len=s.length;
  for( i = 0; i < len; i ++ )
  {
    if( s.charAt(i) != " " )
    return false;
  }
  return true;
}

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 show(objname) {
  MM_findObj(objname).style.display = "";
}

function hide(objname) {
  MM_findObj(objname).style.display = "none";
}

function processcheck(targetdiv,appendtag)
{
	if (req.readyState == 4){if(req.status == 200){MM_findObj(targetdiv).innerHTML = appendtag + req.responseText;}else{}}
}

function  AutosizeImage(ImgD,maxwidth,maxheight){  
     var image=new Image();
	 image.src=ImgD.src;
     if(image.width>0  &&  image.height>0){  
       flag=true;  
       if(image.width/image.height >= maxwidth/maxheight){  
         if(image.width > maxwidth){      
         ImgD.width=maxwidth;  
         ImgD.height=(image.height*maxwidth)/image.width;  
         }else{  
         ImgD.width=image.width;      
         ImgD.height=image.height;  
         }
         }  
       else{  
         if(image.height>maxheight){      
         ImgD.height=maxheight;  
         ImgD.width=(image.width*maxheight)/image.height;            
         }else{  
         ImgD.width=image.width;      
         ImgD.height=image.height;  
         }  
         }  
       }  
}   

function filter_on(objid,maxid){
	for (i=1;i<=maxid;i++)
	{
		hide("filter_split_" + i);
		hide("filter_content_" + i);
		if (MM_findObj("filter_title_" + i).className != "filter_border_havevalue")
		{
			MM_findObj("filter_title_" + i).className="filter_border_off";
		}
		
	}

	MM_findObj("filter_title_" + objid).className="filter_border_on";
	show("filter_split_" + objid);
	show("filter_content_" + objid);
}

function filter_off(objid,maxid){
	MM_findObj("filter_title_" + objid).className="filter_border_off";
	hide("filter_split_" + objid);
	hide("filter_content_" + objid);
}

function filter_click(objid,maxid){
	if (MM_findObj("filter_title_" + objid).className == "filter_border_off")
	{
		filter_on(objid,maxid);
	}else{
		filter_off(objid,maxid);
	}
}

//function filter_setvalue(obj,objvalue){
//	MM_findObj(obj).value = objvalue;
//	MM_findObj("form_filter").submit();
//}
//function filter_setvalue_orderby(objvalue){
//	MM_findObj("form_filter").orderby.value = objvalue;
//	MM_findObj("form_filter").submit();
//}

function filter_setvalue(obj,objvalue){
	MM_findObj(obj).value = objvalue;
	setTimeout(filter_setvalue_do,0);
}
function filter_setvalue_do(){
	MM_findObj("form_filter").submit();
}

function filter_setvalue_orderby(objvalue){
	MM_findObj("form_filter").orderby.value = objvalue;
	setTimeout(filter_setvalue_orderby_do,0);
}

function filter_setvalue_orderby_do(){
	MM_findObj("form_filter").submit();
}

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];}
}
function switchimgborder(objid){
  //处理TD的class
  if (MM_findObj("prolib_img_s_2")!=null){
  	if (typeof(MM_findObj("prolib_img_s_1"))=="object"){MM_findObj("prolib_img_s_1").className="img_border_off";}
  }
  if (MM_findObj("prolib_img_s_2")!=null){
  	if (typeof(MM_findObj("prolib_img_s_2"))=="object"){MM_findObj("prolib_img_s_2").className="img_border_off";}
  }
  if (MM_findObj("prolib_img_s_3")!=null){
  	if (typeof(MM_findObj("prolib_img_s_3"))=="object"){MM_findObj("prolib_img_s_3").className="img_border_off";}
  }
  if (typeof(MM_findObj(objid))=="object"){MM_findObj(objid).className="img_border_on";}
}

function img_cutover(img_width,img_height,text_height,imgs,link,text){
	var focus_width = img_width
	var focus_height = img_height
	var text_height = text_height
	var swf_height = focus_height+text_height
	var pics = imgs
	var links = link
	var texts = text
	document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" align="left" width="'+ focus_width +'" height="'+ swf_height +'">');
	document.write('<param name="allowScriptAccess" value="sameDomain"><param name="movie" value="/images/pixviewer.swf">');
	document.write('<param name="quality" value="high"><param name="bgcolor" value="#FFFFFF">');
	document.write('<param name="menu" value="false"><param name=wmode value="opaque">');
	document.write('<param name="FlashVars" value="pics='+pics+'&links='+links+'&texts='+texts+'&borderwidth='+focus_width+'&borderheight='+focus_height+'&textheight='+text_height+'">');
	document.write('</object>');
 }