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 loadBody(){
	MM_preloadImages('images/top2_03.gif','images/top2_05.gif','images/top2_07.gif','images/top2_09.gif','images/top2_11.gif','images/top2_13.gif','images/searchgo2.gif','images/membergo2.gif','images/icon_011.gif','images/icon_022.gif','images/icon_033.gif','images/icon_044.gif','images/icon_055.gif','images/icon_066.gif','images/title_01aa.gif','images/title_02aa.gif');
}

function getExtension(upf){
	var fpath = upf.imgFile.value;
	var ext = fpath.substring(fpath.lastIndexOf("."));
	var ext_low = ext.toLowerCase();
	if(ext_low == '.jpg' || ext_low == '.gif' || ext_low == '.png'){
		return ext_low;
	}
	return null;
}

function uploadImg(fId, upf){
	 upf.fileId.value=fId;
	 var ext = getExtension(upf);
	 if(ext != null){
	 	DWRUtil.setValue('imgName', fId+ext);
	 }
	 upf.submit();
}

function setImgDisplay(fname, module, upd){
	upd.getElementById("showImg").style.display='none';
    if(fname != null && fname.length>0){
		upd.getElementById("showImg").style.display='';
		upd.getElementById("beanImg").src="/enu/upload/" + module + "/" + fname;
		return true;
	}
	return false;
}

function deleteBean(){
 return confirm('確定要刪除這些資料?');
}

function changePage(p, current, total){
    var page = parseInt(current);
    var newPage = 0;
    newPage = page + p;
	if (page == 1 && p == -1){
		newPage = 0;
	}
	if(p == 1 && current == total){
		newPage = 0;
	}
	return newPage;
}

function resetMenuColor(menu, co, msize){
  var i;
  for(i=0; i<msize; i++){
   var key = menu + i;
     document.getElementById(key).style.color=co;
  	 document.getElementById(key).style.fontWeight='normal';
  }

}

function changeImgMenu(menuInd, mlength, ai){
	var ni = parseInt(ai);
 	var i;
 	for(i=0; i<mlength; i++){
 	  var onid = menuInd + i + "_on";
 	  var offid = menuInd + i + "_off";
 	  if(ni == i){
 	  	document.getElementById(offid).style.display='none';
 	  	document.getElementById(onid).style.display='';
 	  }
 	  else{
 	  	document.getElementById(offid).style.display='';
 	  	document.getElementById(onid).style.display='none';
 	  }	  
 	}
}