var sectionId = null;

// preload main nav images
var bswRollon = new Array();
var bswRolloff = new Array();


//main nav arrays
for(i=1;i<5;i++){
	bswRolloff[i] = new Image();
	bswRolloff[i].src = "../images/nav_" + i + "_off.gif";	
	bswRollon[i] = new Image();
	bswRollon[i].src = "../images/nav_" + i + "_on.gif";	
}	

// main nav functions
function bswRollOn(num){
	
	if(num != sectionId){
		document.images["nav" + num].src = bswRollon[num].src;
	}
}

function bswRollOff(num){
	
	if(num == sectionId){
		document.images["nav" + num].src = bswRollon[num].src;
	} else {
		document.images["nav" + num].src = bswRolloff[num].src;	
	}
}



// preload Subnav images
var bswRollonSub = new Array();
var bswRolloffSub = new Array();

var subSectionId = null;

for(i=1;i<5;i++){
	bswRolloffSub[i] = new Image();
	bswRolloffSub[i].src = "../images/subnav_" + i + "_off.gif";	
	bswRollonSub[i] = new Image();
	bswRollonSub[i].src = "../images/subnav_" + i + "_on.gif";
}

// main nav functions
function bswRollOnSub(num){
	if(num != subSectionId){
		document.images["subnav" + num].src = bswRollonSub[num].src;
	}
}

function bswRollOffSub(num){
	
	if(num == subSectionId){
		document.images["subnav" + num].src = bswRollonSub[num].src;
	} else {
		document.images["subnav" + num].src = bswRolloffSub[num].src;	
	}
}


// preload SCL Navigation images
var bswRollonSCL = new Array();
var bswRolloffSCL = new Array();

var SCLSectionId = null;

for(i=1;i<9;i++){
	bswRolloffSCL[i] = new Image();
	bswRolloffSCL[i].src = "../images/scl_nav_" + i + "_off.gif";	
	bswRollonSCL[i] = new Image();
	bswRollonSCL[i].src = "../images/scl_nav_" + i + "_on.gif";
}

// main nav functions
function bswRollOnSCL(num){
	if(num != SCLSectionId){
		document.images["scl_nav" + num].src = bswRollonSCL[num].src;
	}
}

function bswRollOffSCL(num){
	
	if(num == SCLSectionId){
		document.images["scl_nav" + num].src = bswRollonSCL[num].src;
	} else {
		document.images["scl_nav" + num].src = bswRolloffSCL[num].src;	
	}
}


// preload SCL SubNavigation images
var bswRollonSCLsub = new Array();
var bswRolloffSCLsub = new Array();

var SCLSubSectionId = null;

for(i=1;i<5;i++){
	bswRolloffSCLsub[i] = new Image();
	bswRolloffSCLsub[i].src = "../images/scl_subnav_" + i + "_off.gif";	
	bswRollonSCLsub[i] = new Image();
	bswRollonSCLsub[i].src = "../images/scl_subnav_" + i + "_on.gif";
}

// main nav functions
function bswRollOnSCLsub(num){
	if(num != SCLSubSectionId){
		document.images["scl_subnav" + num].src = bswRollonSCLsub[num].src;
	}
}

function bswRollOffSCLsub(num){
	
	if(num == SCLSubSectionId){
		document.images["scl_subnav" + num].src = bswRollonSCLsub[num].src;
	} else {
		document.images["scl_subnav" + num].src = bswRolloffSCLsub[num].src;	
	}
}