timSpeed=50;
contHeight=210;

//If you want it to move faster you can set this lower:
var speed=5;

//Sets variables to keep track of what's happening
var loop, timer;

function checkBrowser() {
	this.ver=navigator.appVersion;
	this.dom=document.getElementById?1:0;
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ie7=(this.ver.indexOf("MSIE 7")>-1 && this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5 || this.ie7);
	return this;
}

bw = new checkBrowser();

//Object constructor
function scrollObj(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.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight;
	this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight;
	this.scrollWidth=bw.ns4?this.css.document.width:this.el.offsetWidth;
	this.clipWidth=bw.ns4?this.css.clip.width:this.el.offsetWidth;

	if (bw.ns6) {
		if (this.scrollHeight<document.height){
			this.scrollHeight=document.height;
		}
		if (this.scrollWidth<document.width){
			this.scrollWidth=document.width;
		}
	}
	if (bw.ns5) {
//		if (this.scrollHeight<this.el.offsetHeight){
			this.scrollHeight=this.el.offsetHeight;
//		}
//		if (this.scrollWidth<this.el.offsetWidth){
			this.scrollWidth=this.el.offsetWidth;
//		}
	}
	this.up=goUp;this.down=goDown;
	//this.left=goLeft;this.right=goRight;
	this.moveIt=moveIt; this.x; this.y;
	this.obj = obj + "Object";
	eval(this.obj + "=this");
	return this;
}

function scrollObjC(objC,nest){
	nest=(!nest) ? '':'document.'+nest+'.';
	this.elC=bw.dom?document.getElementById(objC):bw.ie4?document.all[objC]:bw.ns4?eval(nest+'document.'+objC):0;
	this.cssC=bw.dom?document.getElementById(objC).style:bw.ie4?document.all[objC].style:bw.ns4?eval(nest+'document.'+objC):0;
	this.scrollHeightC=bw.ns4?this.css.document.height:this.elC.offsetHeight;
	this.clipHeightC=bw.ns4?this.css.clip.height:this.elC.offsetHeight;
	this.scrollWidthC=bw.ns4?this.css.document.width:this.elC.offsetWidth;
	this.clipWidthC=bw.ns4?this.css.clip.width:this.elC.offsetWidth;
	if (bw.ns6) {
		if (this.scrollHeightC<document.height){
			this.scrollHeightC=document.height;
		}
		if (this.scrollWidthC<document.width){
			this.scrollWidthC=document.width;
		}
	}
	this.upC=goUp;this.downC=goDown;
	this.xC; this.yC;
	this.objC = objC + "Object";
	eval(this.objC + "=this");
	return this;
}


function moveIt(x,y,x2,y2){
		  oScroll.x=x;oScroll.y=y;
		  oScroll.css.left=oScroll.x;
		  oScroll.css.top=oScroll.y;

		  oScrollc.xC=x2;oScrollc.yC=y2;
		  oScrollc.cssC.left=oScrollc.xC;
		  oScrollc.cssC.top=oScrollc.yC;
}

//Makes the object go up
function goDown(move){
//	if (this.scrollHeight < oCont.clipHeight) {
		  if(this.y>-this.scrollHeight+oCont.clipHeight){
					 decal = move * (oContc.clipHeightC - 60) / (this.scrollHeight-oCont.clipHeight);
					 this.moveIt(0, this.y-move, 0, oScrollc.yC+decal);
					 if(loop) {
						setTimeout(this.obj+".down("+move+")",speed);
					}
		  }
//	}
}

//Makes the object go down
function goUp(move){
//	alert("move=" + move);
//	if (this.scrollHeight < oCont.clipHeight) {
		  if(this.y<0){
					 decal = move * (oContc.clipHeightC - 60) / (this.scrollHeight-oCont.clipHeight);
					 this.moveIt(0, this.y-move, 0, oScrollc.yC+decal);
					 if(loop) {
						setTimeout(this.obj+".up("+move+")",speed);
					}
		  }
//	}
}

//Makes the object go left
/*function goLeft(move){
		  if(this.x>-this.scrollWidth+oCont.clipWidth){
					 this.moveIt(this.x-move,0);
								if(loop) setTimeout(this.obj+".left("+move+")",speed);
		  }
}*/
//Makes the object go rigth
/*function goRight(move){
		  if(this.x<0){
					 this.moveIt(this.x-move,0);
					 if(loop) setTimeout(this.obj+".right("+move+")",speed);
		  }
}*/

//Calls the scrolling functions. Also checks whether the page is loaded or not.
function scroll(speed){
		  if(loaded){
					 loop=true;
					 if(speed>0) {
						oScroll.down(speed);
						}
					 else {
						oScroll.up(speed);
						}
		  }
}

/*function scroll_h(speed){
		  if(loaded){
					 loop=true;
					 if(speed>0) oScroll.left(speed)
					 else oScroll.right(speed);
		  }
}*/


//Stops the scrolling (called on mouseout)
function noScroll(){
		  loop=false;
		  if(timer) clearTimeout(timer);
}
//Makes the object
var loaded;
function scrollInit(){
		  if (bw == null) bw = new checkBrowser();
		  oCont=new scrollObj('divCont');
		  oScroll=new scrollObj('BlocScroll','divCont');
		  oCont.css.visibility='visible';

		  oContc=new scrollObjC('divContcarre');
		  oScrollc=new scrollObjC('carre','divContcarre');
		  oContc.cssC.visibility='visible';

		  oScroll.moveIt(0,0,0,0);
		  loaded=true;
		  return true; 
}