// JScript 文件
String.prototype.trim = function()
{
    // 用正则表达式将前后空格
    // 用空字符串替代。
    return this.replace(/(^\s*)|(\s*$)/g, "");
}

function EmailCheck(e)
 {
   var emailReg = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
   if(!emailReg.test(e))
     {
      return false;
     }
     return true;
 }
 
 
 function diolog(url,k,g)
   {
           var t,l,k1,g1;
		   k1=k*1;
		   g1=g*1;
		   t=(window.screen.availHeight-g)/2;
		   l=(window.screen.availWidth-k)/2;
		   window.open(url,'','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=' + k1 + ',height=' + g1 + ',left=' + l + ',top=' + t);
    //window.showModalDialog(url,window,'dialogwidth=' + k + 'px;dialogheight=' + g + 'px;status=no;help=no');
    
    
    }
function SelectAll(check) 
  { 
    var el = document.getElementsByTagName('input');   
    var len = el.length;    
    for(var i=0; i<len; i++)     
      {        
          if((el[i].type=="checkbox"))       
              {             el[i].checked = check;    
               } 
       } 
  } 
  
  function isInteger(n)
  { 
    return parseInt(n);  
    
  }  
  
   function AddItem(array,vartags)
     {
         if(vartags!='')
              {
                 var exists=false;
                 for(var i=0;i<array.length;i++)
                  {
                    if(array[i]==vartags)
                      {
                         exists=true;
                      }
                  }
                 if(!exists)
                   {
                      array.push(vartags);
                   }
              }      
     } 
     
   function SearchByTag(tag,text,button)
    {
      var obj = document.getElementById(text);
      
      if(obj)
        {
          obj.value=tag;
          obj=document.getElementById(button);
          if(obj)
            {
              obj.click();
            }
        }
      
    }
   function ImageCheck(src,width,height)
    {
       var obj =document.getElementById('d');
       if(obj)
         {
            obj.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = form1.File1.value;
            
         }
    }

    
    function ScrollLeft(id,size)
    {
        var a = document.getElementById(id).scrollLeft;
        if(a>=size)
        {
            document.getElementById(id).scrollLeft = a-size;
        }
    }
    
    function ScrollRight(id,size)
    {
        var a = document.getElementById(id).scrollLeft;
        var b = document.getElementById(id).scrollWidth
        if(a+size<=b)
        {
            document.getElementById(id).scrollLeft = a+size;
        }
    }
    
    function ScrollUp(id,size)
    {
        var a = document.getElementById(id).scrollTop;
        if(a>=size)
        {
            document.getElementById(id).scrollTop = a-size;
        }
    }
    
    function ScrollDown(id,size)
    {
        
        var a = document.getElementById(id).scrollTop;
        var b = document.getElementById(id).scrollHeight
        
       // alert(a);
       // alert(b);
        if(a+size<=b)
        {
            document.getElementById(id).scrollTop = a+size;
        }
    }