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 lookup(baseURL, txtWord) {
	$(txtWord).focus();
	var word = trim($(txtWord).val());
	word = word.replace(/ /g,"_");
	if(word == "")
		alert("Type a word then click on 'Look'!");
	else
		location.href=baseURL+"/"+word;
	return false;
}

$(function(){
	$("#wcgCmHeader").show();
	$("input.textbox").focus(function(){if(this.value=="Search")this.value="";$(this).css("color","#000");});
	$("#cmNav li").hover(function(){$("ul",this).show();},function(){$("ul",this).hide();});
});


function preload(image_url) {
	if (document.images) {
		var preloader = new Image(10,10);
		preloader.src=image_url;
	}
}