var imageext = new Array('jpg', 'jpeg', 'gif', 'png');
var flashext = new Array('swf');

function strLen(str) {
	var charset = document.charset;
	var len = 0;
	for(var i = 0; i < str.length; i++) {
		len += str.charCodeAt(i) < 0 || str.charCodeAt(i) > 255 ? (charset == 'utf-8' ? 3 : 2) : 1;
	}
	return len;
}

function fileext(filename) {
	if(filename == null || filename == '') {
		return '';
	}
	var ext = null;
	var num = filename.lastIndexOf(".");
	if(num != -1) {
		ext = filename.substring(num + 1);
	} else {
		ext = '';
	}
	return ext;
}

function isfileext(filename, extarr) {
	var ext = fileext(filename).toLowerCase();
	for(var i = 0; i < extarr.length; i++) {
		if(extarr[i] == ext){
			return true;
		}
	}
	return false;
}

function fill(setid, parentid, arr, value) {
	setid = document.getElementById(setid);
	if(setid != null) {
		setid.options[0]=new Option('请选择','');
		opt = 0;
		if(parentid == '') {
			for(i=0;i<arr.length;i++) {
				setid.options[i+1]=new Option(arr[i][1],arr[i][0]);
				if(arr[i][1] == value) {
					opt = i+1;
				}
			}
			setid.options[opt].selected=true;
			setid.length=i+1;
		} else {
			parentcode = document.getElementById(parentid).value;
			count=1;
			if(parentcode != '') {
				for(i=0;i<arr.length;i++) {
					if(arr[i][0].toString().substring(0,parentcode.length)==parentcode.substring(0, parentcode.length)) {
						setid.options[count]=new Option(arr[i][1],arr[i][0]);
						if(value != null && arr[i][1] == value) {
							opt = count;
						}
						count=count+1;
					}
				}
			}
			setid.options[opt].selected=true;
			setid.length=count;
		}
	}
}

function validate(theform) {
	if(fieldinfo.length > 0) {
		for(i = 0; i < fieldinfo.length; i++) {
			obj = null;
			if(fieldinfo[i][2] == 'checkbox' && fieldinfo[i][4] == '1') {
				ischoose = false;
				var nodes = document.getElementsByTagName('input');
				if(nodes) {
					for(j = 0; j < nodes.length; j++) {
						var node = nodes[j];
						if (node.name == fieldinfo[i][0]+'[]') {
							if(obj == null) obj = node;
							if(node.checked == true) {
								ischoose = true;
								break;
							}

						}
					}
					if(!ischoose) {
						alert('请您选择一个'+fieldinfo[i][1]);
						obj.focus();
						return false;
					}
				}
			} else {
				ischoose = true;
				obj = document.getElementById(fieldinfo[i][0]);
				if(fieldinfo[i][4] == '1' && obj && strLen(obj.value) < 1) {
					ischoose = false;
					if(fieldinfo[i][2] == 'text' || fieldinfo[i][2] == 'textarea') {
						alert('请您输入'+fieldinfo[i][1]);
					} else if(fieldinfo[i][2] == 'img' || fieldinfo[i][2] == 'flash' || fieldinfo[i][2] == 'file' || fieldinfo[i][2] == 'timestamp') {
						objvalue = document.getElementById(fieldinfo[i][0]+'_value');
						if(obj && strLen(objvalue.value) < 1) {
							alert('您未设置'+fieldinfo[i][1]+',请检查确认');
						} else {
							ischoose = true;
						}
					} else {
						alert("请您选择一个"+fieldinfo[i][1]);
					}
				}
				if(obj && obj.value != '') {
					if(fieldinfo[i][2] == 'text' || (fieldinfo[i][2] == 'textarea' && fieldinfo[i][3] != 0)) {
						if(fieldinfo[i][5] != 'TEXT' && fieldinfo[i][5] != 'MEDIUMTEXT' && fieldinfo[i][5] != 'LONGTEXT' && fieldinfo[i][5] != 'FLOAT' && fieldinfo[i][5] != 'DOUBLE') {
							if (strLen(obj.value) > fieldinfo[i][3]) {
								ischoose = false;
								alert('您输入的'+fieldinfo[i][1]+'长度不符合要求,目前长度为'+strLen(obj.value)+'字符,请保证在'+fieldinfo[i][3]+'字符以内');
							}
						}
					} else if(fieldinfo[i][2] == 'img' || fieldinfo[i][2] == 'flash') {
						if (!isfileext(obj.value, (fieldinfo[i][2] == 'img' ? imageext : flashext))) {
							ischoose = false;
							alert('您输入的'+fieldinfo[i][1]+'格式不正确,请检查确认');
						}
					}
				}
				if(!ischoose) {
					obj.focus();
					return false;
				}
			}
		}
	}

	return true;
}

var fieldinfo = new Array(
new Array('subject', '标题', 'text', '80', '1', 'CHAR'),
new Array('catid', '信息类别', 'select', '6', '1', 'SMALLINT'),
new Array('subjectimage', '标题图片', 'img', '80', '0', 'CHAR'),
new Array('content', '信息内容', 'text', '0', '1', 'TEXT'),
new Array('i5', '商家名', 'text', '0', '0', 'TEXT'),
new Array('i2', '价格', 'text', '10', '0', 'VARCHAR'),
new Array('truename', '联系人', 'text', '12', '0', 'VARCHAR'),
new Array('phone', '电话', 'text', '8', '0', 'VARCHAR'),
new Array('mobile', '手机', 'text', '11', '0', 'VARCHAR'),
new Array('qq', 'QQ', 'text', '12', '0', 'VARCHAR'),
new Array('shijian', '过期时间', 'select', '12', '1', 'VARCHAR'),
new Array('showaddress_state', '限制游客查看联系方式', 'checkbox', '1', '0', 'VARCHAR'),
new Array('reply_state', '禁止别人回复信息', 'checkbox', '1', '0', 'VARCHAR'),
new Array('i4', '出发站', 'text', '20', '0', 'VARCHAR'),
new Array('i6', '车次/航班', 'text', '20', '0', 'VARCHAR'),
new Array('i8', '到达站', 'text', '20', '0', 'VARCHAR'),
new Array('i3a', '出发时间', 'text', '40', '0', 'VARCHAR')
);