// JavaScript Document

function setupSearch(button, text){
var default_message = "";
	btn = document.getElementById(button);
	txt = document.getElementById(text);
	txt.value = default_message;

	txt.onclick = function(){
		if(this.value==default_message){
		this.value='';
		}
	}

	btn.onclick = function(){
		txt = document.getElementById(text);  
		var val = trim(txt.value, ' ');
		if(val == default_message || val == ''){
			alert('Please enter search term.');
			txt.value = '';
			txt.focus();
			return false;
		}
	}
}

function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}
 
function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
 
function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}  


function imgHov(e) {
if(e.src.match('H.jpg')) {

	e.src = e.src.replace(/H.jpg/i, ".jpg");

	}  else {

		e.src = e.src.replace(/.jpg/i, "H.jpg");

	}
}