function searchKeyValidate()
{
    var searchElement = document.getElementById("mod_search_searchword");
	var searchKeyWord=searchElement.value;
	var searchKeyLen=searchKeyWord.length;
	var invalidChar='\\>\\<\\)\\({}\\;'; //([<#>])\\/\\\\:!+=?
	
	for (var i=0;i<searchKeyLen;i++ )
    { 
		if (invalidChar.indexOf(searchKeyWord.substring(i,i+1)) >= 1)
		{
				alert('The following characters are not allowed: < > ( ) { } ; \nPlease change your search.');
				searchElement.select();
				searchElement.focus();
				return false;
		}
    }
	return true;
}