function fileLimit(object){
	var file = document.getElementById(object);
	var filePath = file.value;
	var begin = filePath.lastIndexOf(".");
	var end = filePath.length;
	var suffix = filePath.substring(begin,end);
	if(filePath!=""&&suffix!=".doc"){
		alert("您好，请上传Word 2003文件。");
		return false;
	}
	return true;
}

function dateCompare(begin,end){
	var result = true;
	var beginDate = document.getElementById(begin);
	var endDate = document.getElementById(end);
	var dateone = beginDate.value.split("-");
	var datetwo = endDate.value.split("-");
	if(dateone[0]+dateone[1]+dateone[2]>datetwo[0]+datetwo[1]+datetwo[2]){
		alert("您好，开始时间要小于或等于结束时间。");
		result = false;
	}
	if(dateone[0]+dateone[1]<datetwo[0]+datetwo[1]){
		if(!confirm("跨月份查询数据可能需要很长时间，您确定吗？")){
  			result = false;
  		}
	}
	return result;
}

function getInputDateLimt(id){
	var result = true;
	var object = document.getElementById(id);
	var date = new Date();
	if(object.value==""){
		alert("您好，请输入日期。");
		return false;
	}
	var inpdate = object.value.split("-");
	var datdate = inpdate[0] + '' + inpdate[1] + '' + inpdate[2];
	var sysdate = (date.getFullYear()) + '' + (date.getMonth()<9?'0'+(date.getMonth()+1):(date.getMonth()+1)) + '' + (date.getDate()<10?'0'+date.getDate():date.getDate());
	if(sysdate<datdate){alert("您好，数据日期不能大于系统日期。"); object.select(); result = false;};
	return result;
}

function isnumber(id){
	var result = true;
	var reg = /^[1-9]+[0-9]*$/;
	var input = document.getElementById(id);
	if (!reg.test(input.value)){
		alert("您好，请输入整数。");
		input.select();
		result = false;
	}
	return result;
}

function limtStrAmount(id,amount){
	var result = true;
	var object = document.getElementById(id);
	var count = object.value.length;
	if(count>amount){
		alert("您好，数据不能大于" + amount + "字符。");
		object.select();
		result = false;
	}
	return result;
}

/**
 * 不能复制,不能粘贴.
 * onpaste = "return false"
 * 不能输入中文.
 * style="ime-mode:disabled"
 * @returns {Number}
 */
function Number(){
	//元素中输入的必须为正整数.
	this.isPosWhole = function(){var key = window.event.keyCode;if((key>=48&&key<=57)){return window.event.keyCode;}else{window.event.returnValue = false;}}
	//元素中输入的必须为正数.
	this.isPositive = function(object){var key = window.event.keyCode;var value = object.value;var size = value.split(".").length;if((value=="")&&(key==46)){window.event.returnValue = false;}else if((size>=2)&&(key==46)){window.event.returnValue = false;}else if((key==46)||(key>=48&&key<=57)){return window.event.keyCode;}else{window.event.returnValue = false;}}
	//元素中输入的必须为数字.
	this.isNumber = function(object){var key = window.event.keyCode;var value = object.value;var size = value.split(".").length;if((value=="")&&(key==46)){window.event.returnValue = false;}else if(((value=="-")&&(key==46))||((size>=2)&&(key==46))){window.event.returnValue = false;}else if((value!="")&&(key==45)){window.event.returnValue = false;}else if((key==45)||(key==46)||(key>=48&&key<=57)){return window.event.keyCode;} else {window.event.returnValue = false;}}
}