// JavaScript Document
function getverifycode(did){
	$(did).innerHTML='<img id="id_verifycode" onclick="javascript:getverifycode(\''+did+'\');" src="./verifycode.php?r=' + Math.random() + '" border="0" alt="" >';
}

String.prototype.trim = function() {
	return (this.replace(/(\s+)$/g, '')).replace(/^\s+/g, '');
}
String.prototype.htmlencode = function( text )
{
	if ( typeof( text ) != "string" )
		text = text.toString() ;

	text = text.replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/</g, "&lt;").replace(/>/g, "&gt;") ;
	return text ;
}
var eImg='<img src="/zhaodao/images/e.gif" border="0" align="absmiddle">';
var rImg='<img src="/zhaodao/images/r.gif" border="0" align="absmiddle">';

function checkall(form, prefix, checkall) {
	var checkall = checkall ? checkall : 'chkall';
	for(var i = 0; i < form.elements.length; i++) {
		var e = form.elements[i];
		if(e.name != checkall && (!prefix || (prefix && e.name.match(prefix)))) {
			e.checked = form.elements[checkall].checked;
		}
	}
}