var goodToGo = false;

// SET NAVIGATION IMAGES
		
nav1 = new Image();
nav1.src = "images/common/tab_about.gif";
nav1_roll = new Image();
nav1_roll.src = "images/common/tab_about_roll.gif";

nav2 = new Image();
nav2.src = "images/common/tab_news.gif";
nav2_roll = new Image();
nav2_roll.src = "images/common/tab_news_roll.gif";

nav3 = new Image();
nav3.src = "images/common/tab_media.gif";
nav3_roll = new Image();
nav3_roll.src = "images/common/tab_media_roll.gif";

nav4 = new Image();
nav4.src = "images/common/tab_faq.gif";
nav4_roll = new Image();
nav4_roll.src = "images/common/tab_faq_roll.gif";

nav5 = new Image();
nav5.src = "images/common/tab_docs.gif";
nav5_roll = new Image();
nav5_roll.src = "images/common/tab_docs_roll.gif";

nav6 = new Image();
nav6.src = "images/common/tab_procurement.gif";
nav6_roll = new Image();
nav6_roll.src = "images/common/tab_procurement_roll.gif";

nav7 = new Image();
nav7.src = "images/common/tab_contact.gif";
nav7_roll = new Image();
nav7_roll.src = "images/common/tab_contact_roll.gif";


// SET HOME PAGE LANGUAGE BUTTON IMAGES

lang1 = new Image();
lang1.src = "../images/common/btn_lang_1.gif";
lang1_roll = new Image();
lang1_roll.src = "../images/common/btn_lang_1_roll.gif";

lang2 = new Image();
lang2.src = "../images/common/btn_lang_2.gif";
lang2_roll = new Image();
lang2_roll.src = "../images/common/btn_lang_2_roll.gif";

lang3 = new Image();
lang3.src = "../images/common/btn_lang_3.gif";
lang3_roll = new Image();
lang3_roll.src = "../images/common/btn_lang_3_roll.gif";

lang4 = new Image();
lang4.src = "../images/common/btn_lang_4.gif";
lang4_roll = new Image();
lang4_roll.src = "../images/common/btn_lang_4_roll.gif";

lang5 = new Image();
lang5.src = "../images/common/btn_lang_5.gif";
lang5_roll = new Image();
lang5_roll.src = "../images/common/btn_lang_5_roll.gif";

lang6 = new Image();
lang6.src = "../images/common/btn_lang_6.gif";
lang6_roll = new Image();
lang6_roll.src = "../images/common/btn_lang_6_roll.gif";


// IMAGE ROLLOVER FUNCTION 

function flash(img1, img2) {
	if(document.images) eval('document.images[img1].src = '+img2+'.src');
}


// CSS COMPLIANT EXTERNAL LINK FUNCTION (OPEN NEW POP-UP) 

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
 }
}