var buttons = new Array();
//button syntax ( "button_name","menu_name","page_id","off source","on source","select_src" )

buttons["home_btn"] = new btnObj("home_btn","","9999","images/Header_Nav_Home2.gif","images/Header_Nav_Home_On.gif","images/Header_Nav_Home_Select.gif");

buttons["about_btn"] = new btnObj("about_btn","dhtmlmenu_2","2","images/Header_Nav_About.gif","images/Header_Nav_About_On.gif","images/Header_Nav_About_Select.gif");

buttons["research_btn"] = new btnObj("research_btn","dhtmlmenu_3","3","images/Header_Nav_Research.gif","images/Header_Nav_Research_On.gif","images/Header_Nav_Research_Select.gif");

buttons["news_btn"] = new btnObj("news_btn","dhtmlmenu_4","4","images/Header_Nav_News.gif","images/Header_Nav_News_On.gif","images/Header_Nav_News_Select.gif");

buttons["pub_btn"] = new btnObj("pub_btn","dhtmlmenu_5","5","images/Header_Nav_Publications.gif","images/Header_Nav_Publications_On.gif","images/Header_Nav_Publications_Select.gif");

buttons["alumni_btn"] = new btnObj("alumni_btn","","6","images/Header_Nav_Alumni.gif","images/Header_Nav_Alumni_On.gif","images/Header_Nav_Alumni_Select.gif");

buttons["resources_btn"] = new btnObj("resources_btn","","7","images/Header_Nav_Resources.gif","images/Header_Nav_Resources_On.gif","images/Header_Nav_Resources_Select.gif");

buttons["contact_btn"] = new btnObj("contact_btn","","8","images/Header_Nav_Contact.gif","images/Header_Nav_Contact_On.gif","images/Header_Nav_Contact_Select.gif");