function isInt(x)
{
	var isRight=true;
	for (var i=0;i<x.length;i++)
	{
		var k = x.charAt(i);
		if ((k<'0') || (k>'9'))
		{
			isRight=false;
			break;
		}
	}
	return isRight;
}

function isScore(x)
{
	if(isInt(x) && x.length<=2 && isIn0_99(x))
		return true;
	return false;
}

function isIn0_99(x)
{
	if(isInt(x))
	{
		if(x >= 0 && x <= 99)
			return true;
	}
	return false;
}


function isNum(x)
{
	var isRight=true;
	var count = 0;
	for (var i=0;i<x.length;i++)
	{
		var k = x.charAt(i);
		if ((k<'0' && k!='.') || (k>'9' && k!='.' ))
		{
			isRight=false;
			break;
		}
		if(k=='.')
			count++;
	}
	if(count>1)
	{
		isRight=false;
	}	
	return isRight;
}



//??????x????????????
function isNull(x)
{
	var isRight=true;
	if (x=="")
	{
		isRight=false;
	}
	return isRight;
}

//??????x??????????????????i
function Length(x,i)
{
	var isRight=false;
	if (x.length==parseInt(i))
	{
		isRight=true;
	}
	return isRight;
}

//?????????????????????x?????????????????????y
function comparestr_equal(x,y)
{
	var isRight=false;
	if (x==y)
	{
		isRight=true;
	}
	return isRight;
}

//??????????????????x????????????y
function compare_greater(x,y)
{
	var isRight=false;
	if (parseInt(x)>parseInt(y))
	{
		isRight=true;
	}
	return isRight;
}

//??????????????????x????????????y
function compare_equal(x,y)
{
	var isRight=false;
	if (parseInt(x)==parseInt(y))
	{
		isRight=true;
	}
	return isRight;
}

//??????????????????x????????????y
function compare_less(x,y)
{
	var isRight=false;
	if (parseInt(x)<parseInt(y))
	{
		isRight=true;
	}
	return isRight;
}

//????????????x?????????y,??????x>y ??????1;x=y ??????0;x<y ??????-1
function compare_num(x,y)
{
	var num=1;
	if (parseInt(x,10)<parseInt(y,10))
	{
		num=-1;
	}
	else if(parseInt(x,10)=parseInt(y,10))
	{
		num=0;
	}
	else
	{
		num=1;
	}
	return num;
}

//?????????????????????
function validIdCard(x)
{
	var isRight=true;
	var xLength=x.length;
	
	if (xLength==15)
	{
		for (var i=0;i<xLength;i++)
		{
			var k = x.charAt(i);
			if ((k<'0' && k!='.') || (k>'9' && k!='.' ))
			{
				isRight=false;
				break;
			}
		}
	}
	else if (xLength==18)
	{
		for (var i=0;i<xLength;i++)
		{
			var k = x.charAt(i);
			if (i!=xLength-1)
			{
				if (k<'0' || k>'9')
				{
					isRight=false;
					break;
				}
			}
			else
			{
				if ((k<'0' || k>'9') && (k<'a' || k>'z') && (k<'A' || k >'Z'))
				{
					isRight=false;
					break;
				}
			}
		}
	}
	else
	{
		isRight=false;
	}
	
	return isRight;
}

function isZero(x)
{
	var isRight=true;
	
	if (x == 0)
	{
		isRight=false;
	}
	return isRight;
}

//??????checkbox????????????
function checkboxIsNull(x)
{
	var isRight=true;
	var xLength=x.length;
	
	for(var i=0;i<xLength;i++)
	{
		if(x[i].checked==true)
		{
			isRight=false;
			break;
		}
	}
	return isRight;
}

//????????????x?????????y ,??????x???y??? ??????1;x=y ??????0;x???y??? ??????-1(???????????????yyyy-mm-dd)
function comparedate(x,y)
{
	year1=x.substring(0,4);
	month1=x.substring(5,7);
	day1=x.substring(8,10);
	date1=new Date(parseInt(year1,10),parseInt(month1,10)-1,parseInt(day1,10));
	year1=y.substring(0,4);
	month1=y.substring(5,7);
	day1=y.substring(8,10);
	date2=new Date(parseInt(year1,10),parseInt(month1,10)-1,parseInt(day1,10));
	if(date1.getTime()<date2.getTime())
		isRight=true;
	else 
		isRight=false;
	return isRight;
}
//????????????
/*function cfmdel(url)
{
	if(confirm("????????????????????????"))
		window.navigate(url);
}
*/

 //创建XMLHttpRequest对象       
function createXMLHttpRequest() {
	var XMLHttpReq;
    if(window.XMLHttpRequest) { //Mozilla 浏览器
        XMLHttpReq = new XMLHttpRequest();
    }
    else if (window.ActiveXObject) { // IE浏览器
        try {
            XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                XMLHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
    return XMLHttpReq;
}
//发送请求函数
function sendRequest(url,divId) {
	if(url.indexOf('?')>=0){
		url=url+"&"
	}else{
		url=url+"?"
	}
	url=url+"time="+(new Date()).getTime();
	var oldmsg =  window.document.getElementById(divId).innerHTML;
	window.document.getElementById(divId).innerHTML="<img src='/manage/images/loading.gif'/>";
    var XMLHttpReq = createXMLHttpRequest();
    XMLHttpReq.onreadystatechange = function(){
    	if (XMLHttpReq.readyState == 4) { // 判断对象状态
	        if (XMLHttpReq.status == 200) { // 信息已经成功返回，开始处理信息	 
	            var doc =  XMLHttpReq.responseText;
	            if(doc.indexOf('error')>=0){
	           		alert("出错，操作失败。");
	           		window.document.getElementById(divId).innerHTML=oldmsg;
	            }else if(doc.indexOf('null')>=0){
	            	alert("操作失败。");
	           		window.document.getElementById(divId).innerHTML=oldmsg;
	            }else{
	        		window.document.getElementById(divId).innerHTML=doc;
	        	}
	        } else { //页面不正常
	           alert("操作失败,发生错误。");
	           window.document.getElementById(divId).innerHTML=oldmsg;
	        }
    	}
    };
    XMLHttpReq.open("GET", url, true);
    XMLHttpReq.send(null);  // 发送请求
}