function lib_bwcheck(){ //Browsercheck (needed)
			//debugger;
			this.ver=navigator.appVersion
			this.agent=navigator.userAgent
			this.dom=document.getElementById?1:0
			this.opera5=this.agent.indexOf("Opera 5")>-1
			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.ie7=(this.ver.indexOf("MSIE 7")>-1 && this.dom && !this.opera5)?1:0;
			this.ie8=(this.ver.indexOf("MSIE 8")>-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.ie7
			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.ie8 || this.ie7 || this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
			return this
		}
		var bw=new lib_bwcheck()


		/**************************************************************************
		Variables to set.
		***************************************************************************/
		sLeft = 0         //The left placement of the menu
		sTop = 2      //The top placement of the menu
		sMenuheight = 90  //The height of the menu
		sArrowwidth = 10  //Width of the arrows
		sScrollspeed = 20 //Scroll speed: (in milliseconds, change this one and the next variable to change the speed)
		sScrollPx = 8     //Pixels to scroll per timeout.
		sScrollExtra = 15 //Extra speed to scroll onmousedown (pixels)

		/**************************************************************************
		Scrolling functions
		***************************************************************************/
		var tim = 0
		var noScroll = true
		function mLeft(){
			if (!noScroll && oMenu.x<sArrowwidth){
				oMenu.moveBy(sScrollPx,0)
				tim = setTimeout("mLeft()",sScrollspeed)
			}
		}
		function mRight(){
			if (!noScroll && oMenu.x>-(oMenu.scrollWidth-(pageWidth))-sArrowwidth){
				oMenu.moveBy(-sScrollPx,0)
				tim = setTimeout("mRight()",sScrollspeed)
			}
		}
		function noMove(){
			clearTimeout(tim);
			noScroll = true;
			sScrollPx = sScrollPxOriginal;
		}
		/**************************************************************************
		Object part
		***************************************************************************/
		function makeObj(obj,nest,menu){
			nest = (!nest) ? "":'document.'+nest+'.';
			this.elm = bw.ns4?eval(nest+"document.layers." +obj):bw.ie4?document.all[obj]:document.getElementById(obj);
   			this.css = bw.ns4?this.elm:this.elm.style;
   			
   			//HACK:
   			//if(obj == 'divBackground_Fotogaleria' || obj == 'divMenu_Fotogaleria')
   			if(obj == 'divMenu_Fotogaleria')
   				this.scrollWidth = anchoMenuVideos;
   			else
   				this.scrollWidth = bw.ns4?this.css.document.width:this.elm.offsetWidth;
   				
			this.x = bw.ns4?this.css.left:this.elm.offsetLeft;
			this.y = bw.ns4?this.css.top:this.elm.offsetTop;
			this.moveBy = b_moveBy;
			this.moveIt = b_moveIt;
			this.clipTo = b_clipTo;
			return this;
		}
		var px = bw.ns4||window.opera?"":"px";
		function b_moveIt(x,y){
			if (x!=null){this.x=x; this.css.left=this.x+px;}
			if (y!=null){
				this.y=y; 
				//this.css.top=this.y+px;
			}
		}
		function b_moveBy(x,y){
			this.x=this.x+x; 
			this.y=this.y+y; 
			this.css.left=this.x+px; 
			//this.css.top=this.y+px;
		}
		function b_clipTo(t,r,b,l){
			if(bw.ns4){this.css.clip.top=t; this.css.clip.right=r; this.css.clip.bottom=b; this.css.clip.left=l;}
			else this.css.clip="rect("+t+"px "+r+"px "+b+"px "+l+"px)";
		}
		/**************************************************************************
		Object part end
		***************************************************************************/

		/**************************************************************************
		Init function. Set the placements of the objects here.
		***************************************************************************/
		var sScrollPxOriginal = sScrollPx;
		function sideInit(){
			//Width of the menu, Currently set to the width of the document.
			//If you want the menu to be 500px wide for instance, just 
			//set the pageWidth=500 in stead.
			//pageWidth = (bw.ns4 || bw.ns6 || window.opera)?innerWidth:document.body.clientWidth;
			pageWidth = 580;
			
			//Making the objects...
			oBg = new makeObj('divBackground_Fotogaleria')
			oMenu = new makeObj('divMenu_Fotogaleria','divBackground_Fotogaleria',1)
			oArrowRight = new makeObj('divArrowRight','divBackground_Fotogaleria')
			
			//Placing the menucontainer, the layer with links, and the right arrow.
			oBg.moveIt(sLeft,sTop) //Main div, holds all the other divs.
			oMenu.moveIt(sArrowwidth,null)
			oArrowRight.css.width = sArrowwidth;
			oArrowRight.moveIt(pageWidth-sArrowwidth,null)
			
			//Setting the width and the visible area of the links.
			if (!bw.ns4) 
				oBg.css.overflow = "hidden";
			
			if (bw.ns6 && !bw.ie7) 
				oMenu.css.position = "relative";
			
						
			oBg.css.width = pageWidth+px;
			oBg.clipTo(0,pageWidth,sMenuheight,0)
			oBg.css.visibility = "visible";
		}

		//executing the init function on pageload if the browser is ok.
		if (bw.bw) 
		{
			//debugger;
			onload = sideInit;
			}