var args;//数据表对象
	var currSelectedID;
	var currSelectedIDIndex=0;

String.prototype.trim=function(){
        return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.ltrim=function(){
        return this.replace(/(^\s*)/g,"");
}
String.prototype.rtrim=function(){
        return this.replace(/(\s*$)/g,"");
}


function getSearch(arg)//从Location中提取表单状态信息，来自于父窗体jsAddRec() jsModdRec()函数
{
    var status=new Array();
    var result="";
    status=window.location.search.substring(1).split("&");
    for(i=0;i<status.length;i++)
    {
        if(status[i].indexOf(arg)!=-1)
        result=status[i].substring(status[i].indexOf(arg)+arg.length+1,status[i].length);
    }
    return(result);
}

function addNewItem(itemName,winHeight)
{
    if(document.all(itemName).value==0)
    {
        OpenWin("Form_"+itemName+".aspx?Status=2",window,600,winHeight);
        document.all(itemName).selectedIndex=document.all(itemName).options.length-2;
    }
}
	function setElementSelect(elementSel,v)//根据原始值设置下拉列表当前选项
	{
		for(i=0;i<elementSel.options.length;i++)
		{
			if(elementSel.options[i].value==v)
			{
				elementSel.selectedIndex=i;
				break;
			}
		}
	}

		function doSave()//保存按钮事件
		{
			switch(curStatus)
			{
				case "0":
					jsaddRecord();//添加记录
					break;
				case "1":
					jsmodRecord(currSelectedID);//修改记录
					break;
				case "2":
					jsaddRecord();//添加记录
					break;
			}
		}
		
			function formatDate(d,isDate)
			{
			    if(isDate)
			    {
			        if(d.value.length==4 || d.value.length==7)d.value+="-";
			        if(d.value.length>10)d.value="";
			    }
			    else
			    {
			        if(d.value.length==4 || d.value.length==7)d.value+="-";
			        if(d.value.length==10)d.value+=" ";
			        if(d.value.length==13 || d.value.length==16)d.value+=":";
			        if(d.value.length>19)d.value="";
			    }
			}
		
		function keyDown() { 
　　    var keycode = event.keyCode 
　　    var realkey = String.fromCharCode(event.keyCode) 
　　    //alert("keycode: " + keycode + "\nrealkey: " + realkey) 
　　    if(keycode==27)
　		    window.close();
　　    if(keycode==13)
　　	    if (event.srcElement.id!="Btn_Save")
		    {
			    event.keyCode=9;
		    } 
　　    } 
　　    document.onkeydown = keyDown;