var currentCountry="";

function dp(obj){
	var str="";
	for(var i in obj){
		str+=i+": "+obj[i]+"    "
		}
	return(str)
}

/**
 * Attention : redéfinition de méthode
 **/
function initGauche(){
	affichepay('');
}

/**
 * Affichage des calques associés à chaque pays
 * @param lePays <String> l'identifiant du pays … afficher
 **/
 function affichepay(lePays){
	// hide the current country
    if (currentCountry != "") {
        obj=MM_findObj(currentCountry);
        if (obj != null) {
            if (obj.style) {
                obj.style.display = "none";
            }
        }
    }
	// show tne selected country
	if(lePays != ""){
		obj=MM_findObj(lePays);
        if (obj != null) {
            if (obj.style) {
                obj.style.display = "block";
                currentCountry = lePays;
            }
        }
	}
}

function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=(navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=lib_bwcheck()

/**
 * @param obj <String> un identifiant tel que "divScroll1"
 * @param nest <??? | null >
 * @return <Object> un objet avec les propriétés @el, @css, @height, @width
 **/
function makeScrollObj(obj,nest){
	nest=(!nest) ? "":'document.'+nest+'.'		

	this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;
 
  	this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0;		
	this.height=bw.ns4?this.css.document.height:this.el.offsetHeight
	this.width=bw.ns4?this.css.document.width:this.el.offsetWidth							
	return this
}


var myLength=0
var myPos=0
var sBlockSize = 2 //*size of scrollbar block.
//-----------------------------

var containerHeightTab = [0,0,0,0,0];
var barHeightTab = [0,0,0,0,0];
var pasTab = [1,1,1,1,1];
var sScrollbarTab = [null,null,null,null,null];
var isFirstTab = [true,true,true,true,true];
var divobjTab = [null,null,null,null,null];
var divobj2Tab = [null,null,null,null,null];
var myLengthTab = [0,0,0,0,0];
var iScaleTab = [0,0,0,0,0];

/**
 * Initialisaton des objets ScrollObj
 * @param _y <String> le numéro du calque à déplacer (d'id "divContent"+y et "divScroll"+y)
 **/
function initBars(_y) {
    var sBar = new makeScrollObj('divScroll'+_y)
    var containerBar = new makeScrollObj('worldbuttons'+_y);
    containerHeightTab[_y] = eval(containerBar.height);
    barHeightTab[_y] = eval(sBar.height);
    isFirstTab[_y] = false;
    // @divobj est le calque contenant les liens des pays
    divobjTab[_y] = MM_findObj("divContent" + _y);
    // @divobj2 est la partie en dessous du knob
	divobj2Tab[_y] = MM_findObj("divScroll" + _y);
    
	if (document.getElementById || document.all) { 
	    myLengthTab[_y] = divobjTab[_y].offsetHeight
	} else {
	    myLengthTab[_y] = divobjTab[_y].document.height
	}

    //**works out the scale fron the size of the scrollbar in relation to the length of the content area.
    iScaleTab[_y] = -(barHeightTab[_y]-sBlockSize)/(myLengthTab[_y]-containerHeightTab[_y]);
}

/**
 * Déclenché lors du survol d'un des boutons de la scrollbar
 * @param sDirection <0 | 1> 0 si clic en haut, 1 si clic en bas
 * @param y <String> le numéro du calque à déplacer (d'id "divContent"+y et "divScroll"+y)
 **/
 /** idem worldmap **/
function fnMoveScrollbar(sDirection,y) {
    if (isFirstTab[y]) initBars(y);

	//**if content is longer than the visible area sroll the text.
	if (myLengthTab[y] > containerHeightTab[y]) {
     
		// The increment is browser specific
        var incr = 1;
        if (bw.ns6) incr = 3;
        var myPos;
        
        //**Checks the direction the scrollbar is going in.
		if(sDirection == 1){
		    pasTab[y] += -iScaleTab[y]*incr; //z++
		}else{
		    pasTab[y] -= -iScaleTab[y]*incr; //z--
		}
		//**stops the scrollbar from going above or below its scrollable area.
        // si pasTab[y] < 0 on est arrive en bas, si pasTab[y] > (barHeightTab[y]-sBlockSize), on est arrive en haut
		if (pasTab[y] >= 0 && pasTab[y] <= (barHeightTab[y]-sBlockSize)) {
		    //** amount to move content layer by.
		    myPos = pasTab[y]/iScaleTab[y];
        
		    //**moves content layer and scrollbar. 
		    if (document.getElementById) {
		        //**IE5 & N6
		        divobj2Tab[y].style["top"] = pasTab[y]+"px";
		        divobjTab[y].style["top"] = myPos+"px";
		    }else{
			    if(document.all) {
                    divobj2Tab[y].style.top=pasTab[y];
                    divobjTab[y].style.top=myPos;
                }else{
                    //**N4
					divobj2Tab[y].top=pasTab[y];
					divobjTab[y].top=myPos;
                }
            }
            sScrollbarTab[y]=setTimeout("fnMoveScrollbar(" + sDirection +",'"+y+"')",10);
		} else {
            clearTimeout(sScrollbarTab[y]);
		}
	}	
}