// JavaScript Document
function openwin(id)
{
	var id = $(id);
	if(!id) return;
	var w = document.body.scrollWidth;
	var h = document.body.scrollHeight;
	creatediv('tran_div',w,h);
	id.style.position ='absolute';
	h = Math.max(document.body.scrollTop,document.documentElement.scrollTop) + 200; 
	w = (w /2) - (parseInt(id.style.width) / 2);
	id.style.left = w + 'px';
	id.style.top = h +'px';
	id.style.display = 'block';
}
function $(id)
{
 return document.getElementById(id);	
}

function $n(n)
{
 return document.getElementsByName(n);	
}
function closewin(id)
{
	$('tran_div').style.display = 'none';
	$(id).style.display = 'none';
}

function creatediv(id,w,h)
{
	if($(id))
	{
		$(id).style.display = 'block';
	}
	else
	{
	var div = document.createElement('div'); 
	div.id = id;
	div.className = 'tran_css'; 
	div.style.width = w + 'px';
	div.style.height = h + 'px';
	document.body.appendChild(div);
	}
}
function change2(obj1,obj2,arr)
{ 
	var sm = $(obj2);
	var v  = $(obj1).value;
	var bi = eval(arr); 
	var j =0;
	sm.length =0 ;
	for (i=0;i< bi.length;i++)
	{  if(bi[i][1] == v)
		{  
			sm.options[j] = new Option(bi[i][2],bi[i][0]);
			j=j+1;
   
		}
	}
}
function createXMLHttpRequest()
{
	var xmlHttp;

	if (window.XMLHttpRequest){

				var objXMLHttp = new XMLHttpRequest();

			}else{

				var MSXML = ['MSXML2.XMLHTTP.5.0', 'MSXML2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP'];

				for(var n=0; n<MSXML.length; n++){

					try{

						var objXMLHttp = new ActiveXObject(MSXML[n]);

						break;

					}catch(e){}

				}

			}
	return objXMLHttp;
}
function method(a)
{
	document.getElementById(a).style.display = 'none';
}

//复选框的全选操作
function SelectAllCheckBox(objName)
{
	var coll=document.getElementsByName(objName)
	if(!coll) return;
	if(coll.length){
		for(var i=0;i<coll.length;i++)
		{
			coll.item(i).checked=true;
			//coll.item(i).checked=!coll.item(i).checked;
		}
	}else{
		document.getElementsByName(objName).checked=true;
		//document.getElementsByName(objName).checked=!document.getElementsByName(objName).checked;
	}
}

//复选框的全不选操作
function NSelectAllCheckBox(objName)
{
	var coll=document.getElementsByName(objName)
	if(!coll) return;
	if(coll.length){
		for(var i=0;i<coll.length;i++)
		{
			coll.item(i).checked=false;
		}
	}else{
		document.getElementsByName(objName).checked=false;
	}
}

//取得复选框的选中项
function GetCheckBoxList(objName)
{
	var result = "";
	var coll=document.getElementsByName(objName)
	if(!coll) return result;
	if(coll.length){
		for(var i=0;i<coll.length;i++)
		{
			if(coll.item(i).checked)
			{
				result += (result == "")?coll.item(i).value:("," + coll.item(i).value);
			}
		}
	}else{
		if(document.getElementsByName(objName).checked)
		{
			result = document.getElementsByName(objName).value;
		}
	}
	return result;
}