// JavaScript Document
function getRef(obj) {
      if(typeof obj == "string")
         obj= document.getElementById(obj);
      return obj;
}

function hideAll() {
	getRef('empresasquare').className="invisible";
	getRef('urbanizacionsquare').className="invisible";
	getRef('mercadosquare').className="invisible";
	getRef('entornosquare').className="invisible";
	getRef('serviciosquare').className="invisible";
	getRef('gestoriasquare').className="invisible";
	getRef('contactosquare').className="invisible";
	getRef('enlacessquare').className="invisible";
	getRef('promocionessquare').className="invisible";
	getRef('idiomassquare').className="invisible";
	
}

function showSquare(opcion) {
	square=opcion+"square";
	getRef(square).className="visible";
}

function arrowChange(id) {
	getRef(id).src="/imagenes/"+id+"2.gif";
}

function arrowRestore(id) {
	getRef(id).src="/imagenes/"+id+".gif";
}

function doHighlight(id) {
	getRef(id).className="gris";
}

function restoreHighlight(id) {
	getRef(id).className="azul";
}

function doScrollbar(id) {
	id2=id+"txt";
	arrowChange(id);
	doHighlight(id2);
}

function restoreScrollbar(id) {
	id2=id+"txt";
	arrowRestore(id);
	restoreHighlight(id2);
}

function verifyCompatibleBrowser(){ 
    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.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
    return this 
} 
bw=new verifyCompatibleBrowser() 
 
var speed=50  
var loop, timer 
function ConstructObject(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.up=MoveAreaUp;this.down=MoveAreaDown; 
    this.MoveArea=MoveArea; this.x; this.y; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 

function MoveArea(x,y){ 
    this.x=x;this.y=y 
    this.css.right=this.x 
    this.css.top=this.y 
} 

function MoveAreaDown(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".down("+move+")",speed) 
	} 
} 

function MoveAreaUp(move){ 
	if(this.y<0){ 
    this.MoveArea(0,this.y-move) 
    if(loop) setTimeout(this.obj+".up("+move+")",speed) 
	} 
} 

function PerformScroll(speed){ 
	if(initialised){ 
		loop=true; 
		if(speed>0) objScroller.down(speed) 
		else objScroller.up(speed)
	} 
} 
 
function CeaseScroll(){ 
    loop=false 
    if(timer) clearTimeout(timer) 
} 

var initialised; 
function InitialiseScrollableArea(){ 
    objContainer=new ConstructObject('container') 
    objScroller=new ConstructObject('content') 
    objScroller.MoveArea(0,0) 
    objContainer.css.visibility='visible' 
    initialised=true;
} 

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function BW_reload() {location.reload();}

function centerLayers() { //v4.1.1
	if (document.layers || document.all || document.getElementById){
		var winWidth, winHeight, i, horz, vert, width, height, offsetX, offsetY, negX, negY, group, x, y, args;
		args = centerLayers.arguments;
		
		onresize = BW_reload;

				
		winWidth = (document.all)?document.body.clientWidth:window.innerWidth;
		winHeight = (document.all)?document.body.clientHeight:window.innerHeight;
				
		for (i=0; i<(args.length-9); i+=10) {
			horz    = args[i+1];
			vert    = args[i+2];
			width   = parseInt(args[i+3]);
			height  = parseInt(args[i+4]);
			offsetX = parseInt(args[i+5]);
			offsetY = parseInt(args[i+6]);
			negX    = args[i+7];
			negY    = args[i+8];
		
			x = ((winWidth - width)/2) + offsetX;
			y = ((winHeight - height)/2) + offsetY;
						
			x = (negX=='false' && (x < 0))?0:x;
			y = (negY=='false' && (y < 0))?0:y;
				
			layerObj = (document.getElementById)?document.getElementById(args[i]):MM_findObj(args[i]);
			
			if (layerObj!=null) {
				layerObj = (layerObj.style)?layerObj.style:layerObj;
				layerObj.left = (horz=="true")?x:layerObj.left;
				layerObj.top = (vert=="true")?y:layerObj.top;
			}
		}
	}
}

function doImage(section) {
	sectionA="/imagenes/"+section+"_color.gif";
	sectionB="/imagenes/"+section+"_grey.gif"
	getRef('colorimage').src=sectionA;
	getRef('greyimage').src=sectionB;
}