function preloadImages() {
     // counter
     var i = 0;


     // create object
     imageObj = new Image();


     // set image list
     images = new Array();
     images[0]="top_left_logo_off.png"
     images[1]="top_left_logo_on.png"
     images[2]="just-the-white.png"
     images[3]="just-the-triangle.png"


     // start preloading
     for(i=0; i<=2; i++) 
     {
          imageObj.src=images[i];
     }

}
function movepic(img_name,img_src) {
  document[img_name].src=img_src;
}
function navClick(theImage) {
	switch(theImage)
	{
		case 1:
			movepic('topnav1','images/top_left_logo_on.png')
			movepic('triangle1','images/just-the-white.png')
			movepic('triangle2','images/just-the-white.png')
			movepic('triangle3','images/just-the-white.png')
			movepic('triangle4','images/just-the-white.png')
			movepic('triangle5','images/just-the-white.png')
		break;
		case 2:
			movepic('topnav1','images/top_left_logo_off.png')
			movepic('triangle1','images/just-the-triangle.png')
			movepic('triangle2','images/just-the-white.png')
			movepic('triangle3','images/just-the-white.png')
			movepic('triangle4','images/just-the-white.png')
			movepic('triangle5','images/just-the-white.png')
		break;
		case 3:
			movepic('topnav1','images/top_left_logo_off.png')
			movepic('triangle1','images/just-the-white.png')
			movepic('triangle2','images/just-the-triangle.png')
			movepic('triangle3','images/just-the-white.png')
			movepic('triangle4','images/just-the-white.png')
			movepic('triangle5','images/just-the-white.png')
		break;
		case 4:
			movepic('topnav1','images/top_left_logo_off.png')
			movepic('triangle1','images/just-the-white.png')
			movepic('triangle2','images/just-the-white.png')
			movepic('triangle3','images/just-the-triangle.png')
			movepic('triangle4','images/just-the-white.png')
			movepic('triangle5','images/just-the-white.png')
		break;
		case 5:
			movepic('topnav1','images/top_left_logo_off.png')
			movepic('triangle1','images/just-the-white.png')
			movepic('triangle2','images/just-the-white.png')
			movepic('triangle3','images/just-the-white.png')
			movepic('triangle4','images/just-the-triangle.png')
			movepic('triangle5','images/just-the-white.png')
		break;
		case 6:
			movepic('topnav1','images/top_left_logo_off.png')
			movepic('triangle1','images/just-the-white.png')
			movepic('triangle2','images/just-the-white.png')
			movepic('triangle3','images/just-the-white.png')
			movepic('triangle4','images/just-the-white.png')
			movepic('triangle5','images/just-the-triangle.png')
		break;
		default:
		alert("no page");
	}
}