var $ = function(v){return document.getElementById(v);}

//去除字符两边的空格
function trim(value) {
    return value.replace(/(^\s*)|(\s*$)/g, "");
}

function OpenWin(file,w,h,s)
 {
	   win=window.open(file,"win","width="+w+"px,height="+h+"px,left=0,top=0,status=1,help=0,scrollbars="+s+",resizable=0");
	   win.focus();
}       
        

//CheckBox 全选
function SelectAllCheckBox() 
{
  var b=false;
  if(document.getElementById("selall").checked)
  {
      b=true;
  }
  var objs = document.getElementsByTagName("input");
  for(var i=0; i<objs.length; i++) {
    if(objs[i].type.toLowerCase() == "checkbox" )
      objs[i].checked = b;
  }
}


function picShow(num,name)
{
    var pic = $("Pic"+num);
    pic.src=name;
    

}

function picPreview(num)
{
    var div=$("div_UploadPic"+num);
    var fu = $("FileUpload"+num);
    var pic = $("Pic"+num);
    var hpic = $("H_Pic"+num);

	    pic.src = "file://localhost/" + fu.value;
	    hpic.value= fu.value;
	    div.style.display="none"; 
	
}

function checkPicType(x)
{
	var patn = /\.jpg$|\.jpeg$|\.gif$/i;
	if(!patn.test(x.value))
	{   
	   alert("您选择的似乎不是图像文件。");
	   return false;
	}
	
}

function picDelete(num)
{
    var pic = $("Pic"+num);
    var hpic = $("H_Pic"+num);
    
    pic.src="../images/nopic.gif";
    hpic.value="";
    
}

function div_UploadPic(num)
{
    
    if($("div_UploadPic"+num).style.display=='block')
    {
        $("div_UploadPic"+num).style.display='none';
    }
    else
    {
        
       for(i=1;i<5;i++)
       {
          if(i==num)
          {
            $("div_UploadPic"+i).style.display='block';
             
          }else
          {
            $("div_UploadPic"+i).style.display='none';
          }
       }
    }
}