if (!argos) var argos = {};
if (!argos.mainHeader) argos.mainHeader = {};

argos.mainHeader = {
		ready:	false			
};


argos.mainHeader = new (function(){
	
	this.adjustGlobalNav = adjustGlobalNav;
    function adjustGlobalNav(options){
    
    	var config = {
			siteSearchDefaultMessage: "Search by word or catalogue number"
    	}
    	
    	if(typeof options === "object") {
			config.siteSearchDefaultMessage = (typeof options.siteSearchDefaultMessage === "string") ? options.siteSearchDefaultMessage : config.siteSearchDefaultMessage;
    	}
    	    	
		$("#globalNavigation #sitesearch input#search").focus(function() {
				if(this.value == config.siteSearchDefaultMessage ) {
				this.value = "";
			}
			
		});
	
		
	}
	
});

$(document).ready(function() {
	argos.mainHeader.adjustGlobalNav();
});