//在图片部分使用，onerror事件
	 //alert(escape("发布供求"));
    function reloadPic(id) {
    	var imgObj = document.getElementById(id);
    	imgObj.style.display = "none";
    }
	
  function changeImg(obj,width,height) {
    if ( obj.width > width || obj.height > height ) {
      var scale;
      var scale1 = obj.width / width;
      var scale2 = obj.height / height;

      if(scale1 > scale2){
        scale = scale1;
      }else{
        scale = scale2;
      }

      obj.height = obj.height / scale;
    }
  }
    
  function removeALink() {
	var alinks = document.getElementsByTagName('a');
	for (var i=0; i<alinks.length; i++) {
		if (alinks[i].className.indexOf('draft_no_link') != -1) {
			alinks[i].href = "javascript:void(0);";
			alinks[i].target = "_self";
			alinks[i].className += " act_as_not_link";
		}
	}
  }
  
  function changeBodyBG(bg){
	document.body.style.background = bg;
  }
 function showPic(url,desc){
 	document.getElementById("picContent").src=url;
	document.getElementById("descContent").innerHTML=desc;
}
function loadcenter(screenszie){
	var screenszie_n = Ali.util.overalls.widthStyle;
	if(parseInt(screenszie)){
		screenszie_n = parseInt(screenszie);
	}
	var leftMargin = parseInt((document.body.offsetWidth-screenszie_n) / 2);
	if (leftMargin < 0) {
		var newMargin = (0 - parseInt(document.body.offsetWidth/2)) + "px";
		//$('widget').style.marginLeft = newMargin;
		$('layout').style.marginLeft = newMargin;
		left_offset = 2;
	} else {
		var newMargin = (0 - parseInt( Ali.util.overalls.widthStyle/2)) + "px";
		//$('widget').style.marginLeft = newMargin;
		$('layout').style.marginLeft = newMargin;
		left_offset = leftMargin + 2;
	}
}
function hideloading() {
	Ali.util.upload.uploading_hidden($('over_load_img'),$('over_load'));
}
function selectOption(menuID,value)
{
	var menu = $(menuID);
	if(value!=""){
		for(var i=0;i<menu.options.length;i++){
			if(menu.options[i].value==value)
			{
			menu.options[i].selected = true;
			break;
			}
		}
	}
}
function slideLine(ul, delay, speed, lh) {
	var slideBox = (typeof ul == 'string')?document.getElementById(ul):ul;
	var delay = delay||1000, speed=speed||20, lh = lh||20;
	var tid = null, pause = false;
	var start = function() {
		tid=setInterval(slide, speed);
	}
	var slide = function() {
		if (pause) return;
		slideBox.scrollTop += 2;	
		if (slideBox.scrollTop % lh == 0) {
			clearInterval(tid);
			slideBox.appendChild(slideBox.getElementsByTagName('li')[0]);
			slideBox.scrollTop = 0;
			setTimeout(start, delay);
		}
	}
	slideBox.onmouseover=function(){pause=true;}
	slideBox.onmouseout=function(){pause=false;}
	setTimeout(start, delay);
}