if (document.images) {

nav1_welcome_fr_off = new Image(160,52); nav1_welcome_fr_off.src = "images/button_welcome_fr_1.gif";  
nav1_welcome_fr_on = new Image(160,52); nav1_welcome_fr_on.src = "images/button_welcome_fr_2.gif";  


nav1_bzplan_fr_off = new Image(160,52); nav1_bzplan_fr_off.src = "images/button_bzplan_fr_1.gif";  
nav1_bzplan_fr_on = new Image(160,52); nav1_bzplan_fr_on.src = "images/button_bzplan_fr_2.gif";  

nav1_mycase_fr_off = new Image(160,52); nav1_mycase_fr_off.src = "images/button_mycase_fr_1.gif";  
nav1_mycase_fr_on = new Image(160,52); nav1_mycase_fr_on.src = "images/button_mycase_fr_2.gif";  


nav1_creatorguide_fr_off = new Image(160,52); nav1_creatorguide_fr_off.src = "images/button_creatorguide_fr_1.gif";  
nav1_creatorguide_fr_on = new Image(160,52); nav1_creatorguide_fr_on.src = "images/button_creatorguide_fr_2.gif";  


nav1_tools_fr_off = new Image(160,52); nav1_tools_fr_off.src = "images/button_tools_fr_1.gif";  
nav1_tools_fr_on = new Image(160,52); nav1_tools_fr_on.src = "images/button_tools_fr_2.gif";  


nav1_webguide_fr_off = new Image(157,52); nav1_webguide_fr_off.src = "images/button_webguide_fr_1.gif";  
nav1_webguide_fr_on = new Image(157,52); nav1_webguide_fr_on.src = "images/button_webguide_fr_2.gif";  




nav1_welcome_nl_off = new Image(160,52); nav1_welcome_nl_off.src = "images/button_welcome_nl_1.gif";  
nav1_welcome_nl_on = new Image(160,52); nav1_welcome_nl_on.src = "images/button_welcome_nl_2.gif";  


nav1_bzplan_nl_off = new Image(160,52); nav1_bzplan_nl_off.src = "images/button_bzplan_nl_1.gif";  
nav1_bzplan_nl_on = new Image(160,52); nav1_bzplan_nl_on.src = "images/button_bzplan_nl_2.gif";  

nav1_mycase_nl_off = new Image(160,52); nav1_mycase_nl_off.src = "images/button_mycase_nl_1.gif";  
nav1_mycase_nl_on = new Image(160,52); nav1_mycase_nl_on.src = "images/button_mycase_nl_2.gif";  


nav1_creatorguide_nl_off = new Image(160,52); nav1_creatorguide_nl_off.src = "images/button_creatorguide_nl_1.gif";  
nav1_creatorguide_nl_on = new Image(160,52); nav1_creatorguide_nl_on.src = "images/button_creatorguide_nl_2.gif";  


nav1_tools_nl_off = new Image(160,52); nav1_tools_nl_off.src = "images/button_tools_nl_1.gif";  
nav1_tools_nl_on = new Image(160,52); nav1_tools_nl_on.src = "images/button_tools_nl_2.gif";  


nav1_webguide_nl_off = new Image(157,52); nav1_webguide_nl_off.src = "images/button_webguide_nl_1.gif";  
nav1_webguide_nl_on = new Image(157,52); nav1_webguide_nl_on.src = "images/button_webguide_nl_2.gif";

}



function di20(id,newSrc) {  // Fonction di20
	document.images[id].src = eval(newSrc+".src");
}