<!--
function CheckExp(reg,str)
{
	if(reg.test(str))
	{
		return true;
	}
	return false;
}

function isValidEmail(str)
{
	var reg = /^([a-zA-Z0-9_\.-]+)@(([a-zA-Z0-9_-]+)\.)+[a-zA-Z]{2,3}$/;
	return CheckExp(reg,str);
}

function isInteger( str ){
	var regu = /^[-]{0,1}[0-9]{1,}$/;
	return regu.test(str);
}

/*
用途：检查输入字符串是否是带小数的数字格式,可以是负数
输入：str：字符串
返回：如果通过验证返回true,否则返回false
*/
function isDecimal(str){
	if(isInteger(str)) return true;
		var re = /^[-]{0,1}(\d+)[\.]+(\d+)$/;
		if (re.test(str)) {
			if(RegExp.$1==0&&RegExp.$2==0) return false;
			return true;
		} else {
			return false;
	}
}

function isNull(str){	
	if (str == "") return true;	
	var regu = "^[ ]+$";	
	var re = new RegExp(regu);	
	return re.test(str);
}

function strDateTime(str) 
{ 
	var r = str.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);  
	if(r==null)return false;  
	var d= new Date(r[1], r[3]-1, r[4]);  
	return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]); 
} 

function IsDigit()
{
  return ((event.keyCode >= 48) && (event.keyCode <= 57));
}

function imgload(e){
var oImg = document.images;
//var oClientSreen=screen.width-333;
var oClientSreen=600;
	for(var i=0;i<oImg.length;i++) {
		if(oImg[i].height>500 && oImg[i].width<oClientSreen)
		{oImg[i].style.height=300;}
		if(oImg[i].width>oClientSreen){oImg[i].style.width=oClientSreen-200;}
	}
}

function checksearchform(Theform){
	if(isNull(Theform.KeyWord.value) || Theform.KeyWord.value=="请输入关键字"){
		alert("请输入关键字！");
		Theform.KeyWord.focus();
		return false;
	}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->