if (document.images) { 
image1on = new Image(); 
image1on.src= "image/but01_home_on.gif";
image1off = new Image(); 
image1off.src =  "image/but01_home.gif"; 
 
image2on = new Image(); 
image2on.src = "image/but02_products_on.gif";  
image2off = new Image(); 
image2off.src = "image/but02_products.gif";

image3on = new Image(); 
image3on.src= "image/but03_customer_on.gif"; 
image3off = new Image(); 
image3off.src = "image/but03_customer.gif";  
 
image4on = new Image(); 
image4on.src = "image/but04_choose_on.gif"; 
image4off = new Image(); 
image4off.src = "image/but04_choose.gif"; 

image5on = new Image(); 
image5on.src= "image/but05_contact_on.gif"; 
image5off = new Image(); 
image5off.src = "image/but05_contact.gif";  

image1_on = new Image(); 
image1_on.src= "image/menu_01_on_.gif";
image1_off = new Image(); 
image1_off.src =  "image/menu_01.gif"; 
 
image2_on = new Image(); 
image2_on.src = "image/menu_02_on_.gif";  
image2_off = new Image(); 
image2_off.src = "image/menu_02.gif";

image3_on = new Image(); 
image3_on.src= "image/menu_03_on_.gif"; 
image3_off = new Image(); 
image3_off.src = "image/menu_03.gif";  
 
image4_on = new Image(); 
image4_on.src = "image/menu_04_on_.gif"; 
image4_off = new Image(); 
image4_off.src = "image/menu_04.gif"; 

image5_on = new Image(); 
image5_on.src= "image/menu_05_on_.gif"; 
image5_off = new Image(); 
image5_off.src = "image/menu_05.gif"; 
} 

function obj_find(what, where)
{var x,p;
if(!where) where=document;
if(!(x=where[what]) && where.all) x=where.all[what];
for (i=0;!x&&i<where.forms.length;i++) x=where.forms[i][what];
for(i=0;!x&&where.layers&&i<where.layers.length;i++) x=obj_find(what, where.layers[i].document);
return x;}

function sub_over(num)
{var x,i;
for (i=0; i<5; i++) if (num != i) sub_out(i);
if ((x=obj_find("sub"+num)) != null) {v = 'show';
  if (x.style) {x = x.style; v='visible';}
  x.visibility=v;}
}

function sub_out(num)
{if ((x=obj_find("sub"+num)) != null) {
  v = 'hide';
  if (x.style) {x = x.style; v='hidden';}
  x.visibility=v;}
}

function obj_finds(what, where)
{var x,p;
if(!where) where=document;
if(!(x=where[what]) && where.all) x=where.all[what];
for (i=0;!x&&i<where.forms.length;i++) x=where.forms[i][what];
for(i=0;!x&&where.layers&&i<where.layers.length;i++) x=obj_finds(what, where.layers[i].document);
return x;}

function sub_overs(num)
{var x,i;
for (i=0; i<5; i++) if (num != i) sub_outs(i);
if ((x=obj_finds("subb"+num)) != null) {v = 'show';
  if (x.style) {x = x.style; v='visible';}
  x.visibility=v;}
}

function sub_outs(num)
{if ((x=obj_finds("subb"+num)) != null) {
  v = 'hide';
  if (x.style) {x = x.style; v='hidden';}
  x.visibility=v;}
}

function turnOn(imageName) { 
var x,i;
if (document.images) { 
document["image"+imageName].src = eval("image"+imageName + "on.src"); 
document["image"+imageName+"_"].src = eval("image"+imageName + "_on.src");
sub_over(imageName-2);
for (i=0; i<5; i++) sub_outs(i);} 
} 
 
function turnOff(imageName) { 
var x,i;
if (document.images) { 
document["image"+imageName].src = eval("image"+imageName + "off.src"); 
document["image"+imageName+"_"].src = eval("image"+imageName + "_off.src");
for (i=0; i<5; i++) sub_outs(i);} 
}

function turnOnp(imageName) { 
if (document.images) { 
document["image"+imageName+"_"].src = eval("image"+imageName + "_on.src");
} 
} 
 
function turnOffp(imageName) { 
if (document.images) { 
document["image"+imageName+"_"].src = eval("image"+imageName + "_off.src");
} 
}

function turnOnd(imageName) { 
var x,i;
if (document.images) { 
document["image"+imageName+"_"].src = eval("image"+imageName + "_on.src");
for (i=0; i<5; i++) sub_outs(i);} 
} 
 
function turnOffd(imageName) { 
var x,i;
if (document.images) { 
document["image"+imageName+"_"].src = eval("image"+imageName + "_off.src");
for (i=0; i<5; i++) sub_outs(i);
} 
}

function turnOns(imageName,nom) { 
if (document.images) { 
document["image"+imageName+"_"].src = eval("image"+imageName + "_on.src");
sub_overs(nom);
} 
} 
 
function turnOffs(imageName,nom) { 
if (document.images) { 
document["image"+imageName+"_"].src = eval("image"+imageName + "_off.src");
} 
}

function Off(imageName,nomm) { 
if (document.images) { 
document["image"+imageName+"_"].src = eval("image"+imageName + "_off.src");
sub_outs(nomm);} 
}

function timer(nomm)
{
id=setTimeout("Off('2',nomm)",4000);

}