//arrays for rollovers

if (document.images){

nav1off = new Image
nav1on = new Image
nav2off = new Image
nav2on = new Image
nav3off = new Image
nav3on = new Image
nav4off = new Image
nav4on = new Image
nav5off = new Image
nav5on = new Image
nav6off = new Image
nav6on = new Image
nav7off = new Image
nav7on = new Image

nav1off.src = "images/nav_01_off.jpg"
nav1on.src = "images/nav_01_on.jpg"
nav2off.src = "images/nav_02_off.jpg"
nav2on.src = "images/nav_02_on.jpg"
nav3off.src = "images/nav_03_off.jpg"
nav3on.src = "images/nav_03_on.jpg"
nav4off.src = "images/nav_04_off.jpg"
nav4on.src = "images/nav_04_on.jpg"
nav5off.src = "images/nav_05_off.jpg"
nav5on.src = "images/nav_05_on.jpg"
nav6off.src = "images/nav_06_off.jpg"
nav6on.src = "images/nav_06_on.jpg"
nav7off.src = "images/nav_07_off.jpg"
nav7on.src = "images/nav_07_on.jpg"
}

//image rollover functions

function act(imgName){
	if (document.images){
		document[imgName].src = eval(imgName + "on.src")
	}
}

function inact(imgName){
	if (document.images){
		document[imgName].src = eval(imgName + "off.src")
	}
}

//pop window function
//pass thru the filename (incl. extension) height and width

function popper(filename,height,width)
{ 
window.open(filename,'popWin','resize=yes,toolbar=no,status=no,scrollbars=1,height=' + height + ' ,width=' + width )
}