{
        m1On = new Image()
        m1On.src ="images/m1-off.gif"
        m1Off = new Image()
        m1Off.src ="images/m1.gif"   
		
		m2On = new Image()
        m2On.src ="images/m2-off.gif"
        m2Off = new Image()
        m2Off.src ="images/m2.gif" 
		
		m3On = new Image()
        m3On.src ="images/m3-off.gif"
        m3Off = new Image()
        m3Off.src ="images/m3.gif"
		
		m4On = new Image()
        m4On.src ="images/m4-off.gif"
        m4Off = new Image()
        m4Off.src ="images/m4.gif"  
		
		m5On = new Image()
        m5On.src ="images/m5-off.gif"
        m5Off = new Image()
        m5Off.src ="images/m5.gif" 
		
		m6On = new Image()
        m6On.src ="images/m6-off.gif"
        m6Off = new Image()
        m6Off.src ="images/m6.gif" 
		
		m7On = new Image()
        m7On.src ="images/m7-off.gif"
        m7Off = new Image()
        m7Off.src ="images/m7.gif"  
		                          
}

function switchOn(imageName) {
  if (document.images)
     document.images[imageName].src = eval(imageName + 'On.src');
}
                 
function switchOff(imageName) {
  if (document.images)
     document.images[imageName].src = eval(imageName + 'Off.src');
}


var popupWin = null;
	
function openWindow(url,WIDTH,HEIGHT) {

	TOP = (screen.height/2) - ( HEIGHT/2);
	LEFT = (screen.width/2) - ( WIDTH/2);
		
	url;
		
	if(!popupWin || popupWin.closed){
		popupWin = window.open( url , 'cplt', 'scrollbars=yes,top = ' + TOP + ',left = ' + LEFT + ',resizable=0,width=' + WIDTH + ',height=' + HEIGHT)
		popupWin.focus();
	} else {
		popupWin.close();
		openWindow(url ,WIDTH,HEIGHT);
	}
}