function subText(string,len)
	{
		var subs ;
		if(len>0)
		{
			if(string.length>len)
			{
				subs = string.substring(0,len)+"...";
			}
			else
			{
				subs = string;
			}
		}
		else
		{
			subs = string ;
		}
		document.write(subs);
	}
//refresh the page
function refresh()
{
	window.history.go(-0);
}

//go back
function goback()
{
	window.history.go(-1);
}

 	
function submitFun(methodValue,value)
 	
{
		
	if(methodValue == value)
		
	{
			
		if(!confirm('您确定要删除?\r\n确认请按\'确定\',否则请按\'取消\'!'))
			
		{
				
			return false;
			
		}
		
	}
 		
	document.all("actionMethod").value = methodValue;
 		
 		
	document.getElementById("form1").submit();
 	
}
 
 	function execRegExp(regExp,value)
{
	var reg = new RegExp(regExp);
	var index = reg.exec(value);
	if(index!=null)
	{
		return true;
	}
	else
	{
		return false;
	}
}

function authenInt(value,length)
{
	if(parseInt(length)>0)
	{
		var regExp = "^[0-9]{0,"+length+"}$";
		return execRegExp(regExp,value);
	}
	else
	{
		return false;
	}
}
function attention1(url) 
{
	
	if(confirm('您确定要删除?\r\n确认请按\'确定\',否则请按\'取消\'!') == true)
		
		location.href=url;
	
	else
		
		return false;

}


function select_all(objId,element)
{
     var obj 
    if(typeof(objId)=="object")
    {
        obj = objId ;
    }
    else
    {
     obj = document.getElementById(objId);
    }
	for( var i=0;i<obj.elements.length;i++)
	{
		
		if(obj.elements[i].type=="checkbox" && obj.elements[i].name != element.name && obj.elements[i].name != "chb_del")
		{
			obj.elements[i].checked = element.checked;
		}		
	}	
}

function select_allcheck(obj,element)
{
	
	for( var i=0;i<obj.elements.length;i++)
	{
		
		if(obj.elements[i].type=="checkbox" && obj.elements[i].name.toString().lastIndexOf( element.name)!=-1)
		{
			obj.elements[i].checked = element.checked;
		}		
	}	
}


function show_Dialog(url,width,height,left,top)
{
//	window.open(url);
//	window.open(url,'','Width='+width+',Height='+height+',scrollbars=yes');
	window.open(url,'','Width='+width+',Height='+height+',directories=no,location=no,menubar=no,resizable=yes,scrollbars=yes,status=no,toolbar=no,left='+left+',top='+top);
}
function show_ModalDialog(url,window,width,height,left,top)
{
	showModalDialog(url, window, "dialogWidth:" + width + "px;dialogHeight:" + height + "px;dialogleft:"+left+";dialogtop:"+top+";help:no;scroll:auto;status:no;resizable=yes");
}

//批量删除判断是否有选中项
function select_checkbox(obj,element)
{
	var number = 0;
	for( var i=0;i<obj.elements.length;i++)
	{
		//有复选框选中	
		if(obj.elements[i].type=="checkbox" && obj.elements[i].name != element.name && obj.elements[i].checked==true)
		{
			number++;
			break;
		}
	}
	//为０表示没有选中要删除的项
	if(number==0)
	{
		return false;
	}
	else
	{
		return true;	
	}
}
function $(id)
{
    var obj = null;
    obj = document.getElementById(id);
    return obj;
}