<!--
//Define global variables
var marginoffset=16;

function createMainMenu(option) {
	html="";

	html+='<table cellspacing="0" cellpadding="0" border="0" width="100%" align="center"><tr><td>';
	html+='<table cellspacing="0" cellpadding="0" border="0" width="984" align="left">';
	html+='<tr height="21">';
	html+='<td class="pri_nav_box" valign="top" align="left" nowrap>';
	html+='<ul>';
	html+='<li class="topnav"><a href="http://www.hangseng.com/hse.html" target="_top">Home</a></li>';
	html+='</ul>';
	html+='<div class="lang">';
	if (option != 'no_lang')
	{
		if (option == null)
		{
			if (typeof(NoSimplifyChinese) == 'undefined')
			{
				html+='<a href="javascript:switchSimple();"><img src="/hsb/schi/home/image/revamp_2007/btn_sim.gif" alt="\u7C21\u9AD4" border="0" style="padding-top:2px" /></a>';
				html+=' <span style="font-size:7pt; color:#363636; vertical-align:middle">|</span> ';
			}

			html+='<a href="javascript:switchTrad();"><img src="/hsb/chi/home/image/revamp_2007/btn_trad.gif" alt="\u7E41\u9AD4" border="0" style="padding-top:2px" /></a>';
		}

		if (option == 'ns')
		{
			html+='<a href="javascript:switchTrad();"><img src="/hsb/chi/home/image/revamp_2007/btn_trad.gif" alt="\u7E41\u9AD4" border="0" style="padding-top:2px" /></a>';
		}
	}

	html+='<img src="/hsb/com/spacer.gif" width=8 height=1 border=0>';
	html+='</div></td></tr></table>';
	html+='</td>';
	html+='</tr>';
	html+='</table><br>';

	document.write(html);
}

function menuKeyPress() {
	if (window.event.keyCode == 13) {  // Enter pressed
		menuSubmitSearch('e');
	}
}

function submitSearch() {
	var v,x;
	v=document.forms[0].search_fld.value;
	if (v!='') {
		x='http://main.hangseng.com/cgi-bin/AT-hsb_search.cgi?search='+v;
		if (x!='')
			document.location.href=x;
	}
	return false;
}

function menuSubmitSearch(lang) {
	var f=document.forms[0];
 	if (validateQuery(lang, f, f.menuSearchInput)) {
	 	f.search.value = trim(f.menuSearchInput.value).substring(0,50);
		f.action='http://www.hangseng.com/search/html/'+(lang=='e'?'eng':'chi')+'/index.asp';
		f.target='_top';
		f.method='post';

		if (f.pageno)
			f.pageno.value=1;

		f.submit();
	}
}

function validateQuery(lang, f, searchField) {
	var query = trim(searchField.value);

	if (query == ''){
		searchField.focus();
		alert(lang=='e'?'Please enter search query':'\u8BF7\u8F93\u5165\u641C\u5BFB\u5B57\u4E32');
		return;
	}

	var re=/[\"\<\>\'\(\)\%\[\]\\\{\}\.\^\$\*\+\?\|]/;
	if (re.test(query)){
		searchField.focus();
		alert(lang=='e'?'Invalid search query':'\u65E0\u6548\u641C\u5BFB\u5B57\u4E32');
		return;
	}

	if (query.length > 50) {
		searchField.focus();
		alert(lang=='e'?'Maximum 50 characters are allowed':'\u6700\u591A\u53EA\u53EF\u8F93\u5165 50 \u4E2A\u5B57');
		return;
	} else {
		// submit the first 50 characters only
		searchField.value = searchField.value.substring(0,50);
	}

	return true;
}

function ltrim(x) {
  return x.replace(/^\s*/,'');
}

function rtrim(x) {
  return x.replace(/\s*$/,'');
}

function trim(x) {
  return ltrim(rtrim(x));
}

//-->