// base
function rollOverOrg(ImgNme)
{
        obj=document.images[ImgNme];
        obj.src=(obj.src.lastIndexOf('_on')!=-1)? obj.src.replace(/_on/gi,"_off"):obj.src.replace(/_off/gi,"_on");
}

// layers
function rollOver(ImgNme)
{
        obj=(document.images)? document.images[ImgNme]:0; ClicNme=(document.clicImg)? document.clicImg.name:""; 
        if (!obj && document.layers) {
                for (i=0; i<document.layers.length; i++) { ObjLyr=document.layers[i].document;
                        if (ObjLyr.images && ObjLyr.images[ImgNme]) obj=ObjLyr.images[ImgNme];}}                
        if (ClicNme!=ImgNme) obj.src=(obj.src.lastIndexOf('_on')!=-1)? obj.src.replace(/_on/gi,"_off"):obj.src.replace(/_off/gi,"_on");
        document.OnImg=obj;
}

// clic
function Clic(ImgNme)
{
        obj=(document.images)? document.images[ImgNme]:0; ClicNme=(document.clicImg)? document.clicImg.name:""; 
        if (!obj && document.layers) {
                for (i=0; i<document.layers.length; i++) { ObjLyr=document.layers[i].document;
                        if (ObjLyr.images && ObjLyr.images[ImgNme]) obj=ObjLyr.images[ImgNme];}}        
        if (document.clicImg) document.clicImg.src=document.clicImg.src.replace(/_on/gi,"_off");
        obj.src=obj.src.replace(/_off/gi,"_on");
        document.clicImg=obj;
}

// popup
function Sesame(page,target,larg,haut,scraul){
	var posXpop = (screen.availWidth-larg)/2;
	var posYpop = (screen.availHeight-haut)/2;
	param = "width="+larg+",height="+haut+",left="+posXpop+",top="+posYpop+",scrollbars="+scraul;
	popup = window.open(page,target,param);
}