function filterSearch(str) { 
	var strrp = trim(str.replace(/[^0-9a-zA-Z\.-]/g, ""));
	strrp = strrp.toLowerCase();
	return strrp;
} 
function trim(instr){
	instr = instr.replace(/^[\-]*/gi, "");
	instr = instr.replace(/[\-]*$/gi, "");
	instr = instr.replace(/\-{1,}/g, "-");
	return instr;
}
function filterEmpty(words) {
	var searchPhase = trim(words);
	if (searchPhase == "") {
		alert("Can not be Empty");
	} else {
		location.href = '/search/' + filterSearch(decodeURIComponent(encodeURIComponent(searchPhase).replace(/%20/g, '-')))
	}
}