//提示信息框的显示
function $id(id){return document.getElementById(id)}
function checkform(a){
 var posx=0,posy=0;
 posx = 0;
   posy = 0;
   with ($id(a).style){
	display='block';
	top = posy+"px";
	left = posx+"px";
  }
  
  var strSelectValue="";
		var items = document.getElementsByName("checkBoxName");
		for (var i=0; i<items.length; i++)
		{
			if(items[i].checked)
			{
				strSelectValue+=items[i].value+" ";
			}
		}
		if(strSelectValue.length<23){
      strSelectValue = strSelectValue.substring(0, 23);
      }else{
      strSelectValue = strSelectValue.substring(0, 22)+"...";
      }
	   document.getElementById("selectProduct").value=strSelectValue;
	   if(strSelectValue=="")
        {
            document.getElementById("selectProduct").value="全部菜系";
        }
}

    //全选
   function selectAll(itemName)
    {
      var items = document.getElementsByName(itemName);
      for (var i=0; i<items.length; i++)
      {
        items[i].checked = true;
      }
      var strSelectValue="全部菜系";
        /*var items = document.getElementsByName("checkBoxName");
        for (var i=0; i<items.length; i++)
        {
            if(items[i].checked)
            {
                strSelectValue+=items[i].value+"全部菜系";
            }
        }
      */
     
       if(strSelectValue.length<23){
      strSelectValue = strSelectValue.substring(0, 23);
      }else{
      strSelectValue = strSelectValue.substring(0, 22)+"...";
      }
       document.getElementById("selectProduct").value=strSelectValue;
}  
    //不全选
    function noSelectAll(itemName)
    {
      var items = document.getElementsByName(itemName);
      for (var i=0; i<items.length; i++)
      {
        items[i].checked = false;
      }
      document.getElementById("selectProduct").value="没有选择";
      
    } 
     //按钮显示
    function documentSelect(obj)
    {
       
        var strSelectValue="";
        var strSelectTitle="";
       var intCount=0;
       var intTemp=0
        var items = document.getElementsByName("checkBoxName");
        
        for (var i=0; i<items.length; i++)
        {
            if(items[i].checked)
            {
         
         
                strSelectValue+=items[i].id+" ";
                strSelectTitle+=items[i].title+",";
                inttemp=items[i].value;
                intCount=parseInt(intCount) + parseInt(inttemp);
            }
        } 
      if(strSelectValue.length<40){
      strSelectValue = strSelectValue.substring(0, 40);
      }else{
      strSelectValue = strSelectValue.substring(0, 38)+"...";
      }
        document.getElementById("selectProduct").value=strSelectValue;
        document.getElementById("hiMenuID").value=strSelectTitle;
       document.getElementById("ctl00_PlaceHolderMain_txtPrice").value=intCount;
   
        if(strSelectValue=="")
        {
            document.getElementById("selectProduct").value="全部菜系";
             document.getElementById("hiMenuID").value="";
           document.getElementById("ctl00_PlaceHolderMain_txtPrice").value=0;
        }
    }