function ResetButtion(tl){
	if(typeof(tl)=='undefined') var tl=false;
	for(i=0;i<document.myform.elements.length;i++){
		obj=document.myform.elements[i];
		if((obj.type=="text" && obj.name.indexOf('qty_') != -1) || (obj.type=="button" && obj.name.indexOf('buynow_') != -1) || (obj.type=="button" && obj.name.indexOf('modify_') != -1) || (obj.type=="button" && obj.name.indexOf('remove_') != -1)){
			obj.disabled = tl ;
			//obj.style.display = 'none';
		}
	}
}
function HideTips(){
	document.getElementById('AddTips').innerHTML = '';
	document.getElementById('CLC_L3').style.display = 'none';
}
function isDigital(text) {
	v = true;
	var checkOK = "0123456789";
	for (var i=0;i<text.length;i++) {
		var t=checkOK.indexOf(text.charAt(i));
		if(t==-1) {
			v=false;
			break;							
		} else {
			v=true;
		}
	}
	return v;
}
//去除字符串的两侧的空格
function trim(str){
	return str.replace(/(^\s*)|(\s*$)/g, "");
}
//邮箱检测
function isEmail(emailStr){
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum|mobi)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var emailPat=/^(.+)@(.+)$/;
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null){
		alert("Email Error.");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++){
		if (user.charCodeAt(i)>127)	{
			alert("Email Error.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++)	{
		if (domain.charCodeAt(i)>127){
			alert("Email Error.");
			return false;
		}
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++)	{
		if (domArr[i].search(atomPat)==-1){
			alert("Email Error.");
			return false;
		}
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1)	{
		alert("Email Error.");
		return false;
	}
	if (len<2){
		alert("Email Error.");
		return false;
	}
	return true;
}