var cur_img_name = "";
browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || 
		  ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))

// preload images:
	if ( browser) {
	  
	im1_n = new Image;
	im1_n.src = "../gfx/item1_b.gif";
	im1_s = new Image;
	im1_s.src = "../gfx/item1_o.gif";
	  
	im2_n = new Image;
	im2_n.src = "../gfx/item2_b.gif";
	im2_s = new Image;
	im2_s.src = "../gfx/item2_o.gif";
	  
	im3_n = new Image;
	im3_n.src = "../gfx/item3_b.gif";
	im3_s = new Image;
	im3_s.src = "../gfx/item3_o.gif";
	  
	im4_n = new Image;
	im4_n.src = "../gfx/item4_b.gif";
	im4_s = new Image;
	im4_s.src = "../gfx/item4_o.gif";
	  
	im5_n = new Image;
	im5_n.src = "../gfx/item5_b.gif";
	im5_s = new Image;
	im5_s.src = "../gfx/item5_o.gif";

	im6_n = new Image;
	im6_n.src = "../gfx/item6_b.gif";
	im6_s = new Image;
	im6_s.src = "../gfx/item6_o.gif";

	im7_n = new Image;
	im7_n.src = "../gfx/item7_b.gif";
	im7_s = new Image;
	im7_s.src = "../gfx/item7_o.gif";

	im8_n = new Image;
	im8_n.src = "../gfx/item8_b.gif";
	im8_s = new Image;
	im8_s.src = "../gfx/item8_o.gif";

	im9_n = new Image;
	im9_n.src = "../gfx/item9_b.gif";
	im9_s = new Image;
	im9_s.src = "../gfx/item9_o.gif";
	
	im10_n = new Image;
	im10_n.src = "../gfx/item10_b.gif";
	im10_s = new Image;
	im10_s.src = "../gfx/item10_o.gif";

	cable_n = new Image;
	cable_n.src = "../gfx/item0_c.gif";
	cable_1 = new Image;
	cable_1.src = "../gfx/item1_c.gif";
	cable_2 = new Image;
	cable_2.src = "../gfx/item2_c.gif";
	cable_3 = new Image;
	cable_3.src = "../gfx/item3_c.gif";
	cable_4 = new Image;
	cable_4.src = "../gfx/item4_c.gif";
	cable_5 = new Image;
	cable_5.src = "../gfx/item5_c.gif";
	cable_6 = new Image;
	cable_6.src = "../gfx/item6_c.gif";
	cable_7 = new Image;
	cable_7.src = "../gfx/item7_c.gif";
	cable_8 = new Image;
	cable_8.src = "../gfx/item8_c.gif";
	cable_9 = new Image;
	cable_9.src = "../gfx/item9_c.gif";
	cable_10 = new Image;
	cable_10.src = "../gfx/item10_c.gif";
	}

function set_active(imgDocID,imgObjName,cable,cableName)
{
if (browser)
	{
if (cur_img_name != "")
	{
document.images[cur_img_name].src = eval(cur_img_name + "_n.src")
	}
cur_img_name = imgDocID;
    document.images[imgDocID].src = eval(imgObjName + ".src");
    document.images[cable].src = eval(cableName + ".src");
	}
}