if (document.images) {

nav_home_on = new Image();
nav_home_on.src = "/images/nav/top_nav/nav_home_on.gif";
nav_home = new Image();
nav_home.src = "/images/nav/top_nav/nav_home.gif";
nav_home_roll = new Image();
nav_home_roll.src = "/images/nav/top_nav/nav_home_roll.gif";

nav_winners_on = new Image();
nav_winners_on.src = "/images/nav/top_nav/nav_winners_on.gif";
nav_winners = new Image();
nav_winners.src = "/images/nav/top_nav/nav_winners.gif";
nav_winners_roll = new Image();
nav_winners_roll.src = "/images/nav/top_nav/nav_winners_roll.gif";

nav_notable_on = new Image();
nav_notable_on.src = "/images/nav/top_nav/nav_notable_on.gif";
nav_notable = new Image();
nav_notable.src = "/images/nav/top_nav/nav_notable.gif";
nav_notable_roll = new Image();
nav_notable_roll.src = "/images/nav/top_nav/nav_notable_roll.gif";

nav_pressroom_on = new Image();
nav_pressroom_on.src = "/images/nav/top_nav/nav_pressroom_on.gif";
nav_pressroom = new Image();
nav_pressroom.src = "/images/nav/top_nav/nav_pressroom.gif";
nav_pressroom_roll = new Image();
nav_pressroom_roll.src = "/images/nav/top_nav/nav_pressroom_roll.gif";

nav_judges_on = new Image();
nav_judges_on.src = "/images/nav/top_nav/nav_judges_on.gif";
nav_judges = new Image();
nav_judges.src = "/images/nav/top_nav/nav_judges.gif";
nav_judges_roll = new Image();
nav_judges_roll.src = "/images/nav/top_nav/nav_judges_roll.gif";

nav_rules_on = new Image();
nav_rules_on.src = "/images/nav/top_nav/nav_rules_on.gif";
nav_rules = new Image();
nav_rules.src = "/images/nav/top_nav/nav_rules.gif";
nav_rules_roll = new Image();
nav_rules_roll.src = "/images/nav/top_nav/nav_rules_roll.gif";

nav_bookssubmitted_on = new Image();
nav_bookssubmitted_on.src = "/images/nav/top_nav/nav_bookssubmitted_on.gif";
nav_bookssubmitted = new Image();
nav_bookssubmitted.src = "/images/nav/top_nav/nav_bookssubmitted.gif";
nav_bookssubmitted_roll = new Image();
nav_bookssubmitted_roll.src = "/images/nav/top_nav/nav_bookssubmitted_roll.gif";

gl_top_pacificrim_on = new Image();
gl_top_pacificrim_on.src = "/images/global/gl_top_pacificrim_on.gif";
gl_top_pacificrim = new Image();
gl_top_pacificrim.src = "/images/global/gl_top_pacificrim.gif";

}

function imgAct(imgName) {
        if (document.images) {
        document[imgName].src = eval(imgName + "_on.src");
		document["nav_placeholder"].src = eval(imgName + "_roll.src");
        }
}
function imgInact(imgName) {
        if (document.images) {
        document[imgName].src = eval(imgName + ".src");
			// replace with orginal 'placeholder' object
			placeholder = new Image();
			placeholder.src = "/images/nav/top_nav/nav_placeholder.gif";
			document["nav_placeholder"].src = placeholder.src;
        }
}

function nav2Act(imgName) {
        if (document.images) {
        document[imgName].src = eval(imgName + "_on.src");
        }
}
function nav2Inact(imgName) {
        if (document.images) {
        document[imgName].src = eval(imgName + ".src");
        }
}


var popupWindow;
function openWin(url){
	//screenX and screenY define the window location in Netscape;
	//top and left define the window location in IE
	//delete whichever features you don't want
	var featureText="width=300,height=300, location=no,menubar=no,resizable=yes,scrollbars=no,status=yes,toolbar=no";
	popupWindow = window.open(url,'popupWindow', featureText);

}



left = new Array();
left[0] = "/images/patterns/india_1_left.gif"
left[1] = "/images/patterns/india_2_left.gif"
left[2] = "/images/patterns/japan_1_left.gif"
left[3] = "/images/patterns/melanesia_1_left.gif"
left[4] = "/images/patterns/mex_1_left.gif"
left[5] = "/images/patterns/mex_2_left.gif"
left[6] = "/images/patterns/native_am_1_left.gif"
left[7] = "/images/patterns/panama_1_left.gif"
left[8] = "/images/patterns/maori_1_left.gif"

right = new Array();
right[0] = "/images/patterns/india_1_right.gif"
right[1] = "/images/patterns/india_2_right.gif"
right[2] = "/images/patterns/japan_1_right.gif"
right[3] = "/images/patterns/melanesia_1_right.gif"
right[4] = "/images/patterns/mex_1_right.gif"
right[5] = "/images/patterns/mex_2_right.gif"
right[6] = "/images/patterns/native_am_1_right.gif"
right[7] = "/images/patterns/panama_1_right.gif"
right[8] = "/images/patterns/maori_1_right.gif"

// Get a unique number and return it
	var now = new Date();
	var seed = now.getTime() % 0xffffffff;
	
	function rand(n) {
		seed = (0x015a4e35 * seed) % 0x7fffffff;
		return (seed >> 16) % n;
	}
	
	randomLeftNum = rand(left.length);
	randomRightNum = randomLeftNum;