function changeLink(txtElement,linkElement,replaceElement)
{
	if(document.getElementById(txtElement).value == "")
		return false;
	if(document.getElementById(txtElement).value.length < 3)
	{
		alert('Your search keyword must be at least three (3) characters long.');
		return false;
	}
	var appender = (document.getElementById(linkElement).baseURI.indexOf('?') == -1) ? '?' : '&';
	
	document.getElementById(linkElement).href = 
		document.getElementById(linkElement).baseURI + appender + document.getElementById(replaceElement).value.replace('[value]',document.getElementById(txtElement).value);
	return true;
}