function vaidateSearch(frmObj)
{
	frmObj.txtSearch.value = frmObj.txtSearch.value.replace(/^[\s]+/,'').replace(/[\s]+$/,'').replace(/[\s]{2,}/,' ');
	var rules = new Array();
	rules.push("required,txtSearch,Please enter keyword.");
	rules.push("length>3,txtSearch,Keyword should be at least 4 character.");
	return validateFields(frmObj, rules);
}