<!--

var current = "nothing";
var currentImg = "nothing";
var loadFlag = false;

function initNav() {
	if (document.images) {
		preLoad();
	}
}

function preLoad(){

	pict0_pre = new Image();
	pict0_pre.src = "/marine/images/clear.gif";
	
	pict1_up = new Image();
	pict1_dn = new Image();
	pict1_up.src = "/marine/images/nav_moor.gif";
	pict1_dn.src = "/marine/images/nav_moor_on.gif";
	pict1_pre = new Image();
	pict1_pre.src = "/marine/images/mo_moore.gif";
	
	pict2_up = new Image();
	pict2_dn = new Image();
	pict2_up.src = "/marine/images/nav_anchor.gif";
	pict2_dn.src = "/marine/images/nav_anchor_on.gif";
	pict2_pre = new Image();
	pict2_pre.src = "/marine/images/mo_anchormate.gif";
	
	pict3_up = new Image();
	pict3_dn = new Image();
	pict3_up.src = "/marine/images/nav_anchor2.gif";
	pict3_dn.src = "/marine/images/nav_anchor2_on.gif";
	pict3_pre = new Image();
	pict3_pre.src = "/marine/images/mo_anchormateii.gif";
	
	pict4_up = new Image();
	pict4_dn = new Image();
	pict4_up.src = "/marine/images/nav_anchorst.gif";
	pict4_dn.src = "/marine/images/nav_anchorst_on.gif";
	pict4_pre = new Image();
	pict4_pre.src = "/marine/images/mo_anchormatest.gif";
	
	pict5_up = new Image();
	pict5_dn = new Image();
	pict5_up.src = "/marine/images/nav_anchoraccess.gif";
	pict5_dn.src = "/marine/images/nav_anchoraccess_on.gif";
	pict5_pre = new Image();
	pict5_pre.src = "/marine/images/mo_accessories.gif";
	
	pict6_up = new Image();
	pict6_dn = new Image();
	pict6_up.src = "/marine/images/nav_howto.gif";
	pict6_dn.src = "/marine/images/nav_howto_on.gif";
	pict6_pre = new Image();
	pict6_pre.src = "/marine/images/mo_how2.gif";
	
	loadFlag = true;
}

function flip(img,swap){
	current = img;
	var swapImg = "nothing";
	if (document.images && (loadFlag == true)) {
		if(img != currentImg){
			if(swap == 1){
				swapImg = eval(img + "_dn.src");
				switchImg(img);
			} else if(swap == 0) {
				swapImg = eval(img + "_up.src");
				switchImg('pict0_pre');
			}
		}
		document [img].src = swapImg;
		currentImg = swapImg;
	}

}

function flip2(img,swap){
	current = img;
	var swapImg = "nothing";
	if (document.images && (loadFlag == true)) {
		if(img != currentImg){
			if(swap == 1){
				swapImg = eval(img + "_dn.src");
			} else if(swap == 0) {
				swapImg = eval(img + "_up.src");
			}
		}
		document [img].src = swapImg;
		currentImg = swapImg;
	}

}

function switchImg(img){
	var swapImg = "nothing";
	if (img == "pict0_pre") {
		swapImg = eval("pict0_pre.src");
	} else {
		swapImg = eval(img +"_pre.src");
	}
	document ['picture'].src = swapImg;
}

//-->