function switchPix(imgNum)
{
	switch (imgNum)
	{
	case 0:
		document.images['PIC_Main'].src   = imgMain;
		document.images['PIC_Slice1'].src = imgSlice1_off;
		document.images['PIC_Slice2'].src = imgSlice2_off;
		document.images['PIC_Small'].src  = imgMain_on;
		break;
	case 1:
		document.images['PIC_Main'].src   = imgSlice1;
		document.images['PIC_Slice1'].src = imgSlice1_on;
		document.images['PIC_Slice2'].src = imgSlice2_off;
		document.images['PIC_Small'].src  = imgMain_off;
		break;
	case 2:
		document.images['PIC_Main'].src   = imgSlice2;
		document.images['PIC_Slice1'].src = imgSlice1_off;
		document.images['PIC_Slice2'].src = imgSlice2_on;
		document.images['PIC_Small'].src  = imgMain_off;
		break;
	default:	
		break;
	}
}

	// SET INITIAL IMAGES
	var imgMain 	  = IMAGE_DIR + "0.jpg";
	var imgMain_off   = IMAGE_DIR + "0s.jpg";
	var imgMain_on    = IMAGE_DIR + "0so.jpg";
	var imgSlice1	  = IMAGE_DIR + "1.jpg";
	var imgSlice1_off = IMAGE_DIR + "1s.jpg";
	var imgSlice1_on  = IMAGE_DIR + "1so.jpg";
	var imgSlice2	  = IMAGE_DIR + "2.jpg";
	var imgSlice2_off = IMAGE_DIR + "2s.jpg";
	var imgSlice2_on  = IMAGE_DIR + "2so.jpg";