function showDateEnglish()
    {
      date=new Date();
      
      var ds=date.getDay();
      var dia=date.getDate();
      var dm=date.getMonth();
      var ano=date.getYear();
      
      var mm='';
      var sem='';
      
      if(dm==0){mm='January';}
      if(dm==1){mm='February';}
      if(dm==2){mm='March';}
      if(dm==3){mm='April';}
      if(dm==4){mm='May';}
      if(dm==5){mm='June';}
      if(dm==6){mm='July';}
      if(dm==7){mm='August';}
      if(dm==8){mm='September';}
      if(dm==9){mm='October';}
      if(dm==10){mm='November';}
      if(dm==11){mm='December';}
      
      if(ds==0){sem='Sunday';}
      if(ds==1){sem='Monday';}
      if(ds==2){sem='Tuesday';}
      if(ds==3){sem='Wednesday';}
      if(ds==4){sem='Thursday';}
      if(ds==5){sem='Friday';}
      if(ds==6){sem='Saturday';}
  
      document.write(sem + ", " + mm + " " + dia + ", " + ano);  
    }
    
    function showDateSpanish()
    {
      date=new Date();
      
      var ds=date.getDay();
      var dia=date.getDate();
      var dm=date.getMonth();
      var ano=date.getYear();
      
      var mm='';
      var sem='';
      
      if(dm==0){mm='Enero';}
      if(dm==1){mm='Febrero';}
      if(dm==2){mm='Marzo';}
      if(dm==3){mm='Abril';}
      if(dm==4){mm='Maio';}
      if(dm==5){mm='Junio';}
      if(dm==6){mm='Julio';}
      if(dm==7){mm='Agosto';}
      if(dm==8){mm='Septiembre';}
      if(dm==9){mm='Octubre';}
      if(dm==10){mm='Noviembre';}
      if(dm==11){mm='Diciembre';}

      if(ds==0){sem='Domingo';}
      if(ds==1){sem='Lunes';}
      if(ds==2){sem='Martes ';}
      if(ds==3){sem='Miércoles';}
      if(ds==4){sem='Jueves';}
      if(ds==5){sem='Viernes';}
      if(ds==6){sem='Sábado';}
  
      document.write(sem + ", " + dia + " de " + mm + " de " + ano);  
    }    
    
    function BrowserCheck() {
    	var b = navigator.appName
    	if (b=="Netscape") this.b = "ns"
    	else if (b=="Microsoft Internet Explorer") this.b = "ie"
    	else this.b = b
    	this.version = navigator.appVersion
    	this.v = parseInt(this.version)
    	this.ns = (this.b=="ns" && this.v>=4)
    	this.ns4 = (this.b=="ns" && this.v==4)
    	this.ns5 = (this.b=="ns" && this.v==5)
    	this.ie = (this.b=="ie" && this.v>=4)
    	this.ie4 = (this.version.indexOf('MSIE 4')>0)
    	this.ie5 = (this.version.indexOf('MSIE 5')>0)
    	this.min = (this.ns||this.ie)
    }
    is = new BrowserCheck()
    
    // DynLayer Constructor
    function DynLayer(id,nestref,frame) {
    	if (!DynLayer.set && !frame) DynLayerInit()
    	if (is.ns) {
    		if (is.ns) {
    			if (!frame) {
    				if (!nestref) var nestref = DynLayer.nestRefArray[id]
    				if (DynLayer.useTest && !DynLayerTest(id,nestref)) return
    				this.css = (nestref)? eval("document."+nestref+".document."+id) : document.layers[id]
    			}
    			else this.css = (nestref)? eval("parent."+frame+".document."+nestref+".document."+id) : parent.frames[frame].document.layers[id]
    			this.elm = this.event = this.css
    			this.doc = this.css.document
    		}
    		if (is.ns5) {
    			this.elm = document.getElementById(id)
    			this.css = this.elm.style
    			this.doc = document
    		}
    		this.x = this.css.left
    		this.y = this.css.top
    		this.w = this.css.clip.width
    		this.h = this.css.clip.height
    	}
    	else if (is.ie) {
    		this.elm = this.event = (frame)? parent.frames[frame].document.all[id] : document.all[id]
    		this.css = (frame)? parent.frames[frame].document.all[id].style : document.all[id].style
    		this.doc = document
    		this.x = this.elm.offsetLeft
    		this.y = this.elm.offsetTop
    		this.w = (is.ie4)? this.css.pixelWidth : this.elm.offsetWidth
    		this.h = (is.ie4)? this.css.pixelHeight : this.elm.offsetHeight
    	}
    	this.id = id
    
    	this.obj = id + "DynLayer"
    	eval(this.obj + "=this")
    	this.moveTo = DynLayerMoveTo
    	this.moveBy = DynLayerMoveBy
    	this.show = DynLayerShow
    	this.hide = DynLayerHide
    	this.slideInit = DynLayerSlideInit
    	this.clipInit = DynLayerClipInit
    	this.write = DynLayerWrite
    }
    
    // DynLayer Core Methods (moveTo, moveBy, hide, show)
    function DynLayerMoveTo(x,y) {
    	if (x!=null) {
    		this.x = x
    		if (is.ns) this.css.left = this.x
    		else this.css.pixelLeft = this.x
    	}
    	if (y!=null) {
    		this.y = y
    		if (is.ns) this.css.top = this.y
    		else this.css.pixelTop = this.y
    	}
    }
    function DynLayerMoveBy(x,y) {
    	this.moveTo(this.x+x,this.y+y)
    }
    function DynLayerShow() {
    	this.css.visibility = (is.ns)? "show" : "visible"
    }
    function DynLayerHide() {
    	this.css.visibility = (is.ns)? "hide" : "hidden"
    }
    
    // DynLayer Slide Methods (optional)
    // straight line animation methods
    function DynLayerSlideInit() {
    	this.slideTo = DynLayerSlideTo
    	this.slideBy = DynLayerSlideBy
    	this.slideStart = DynLayerSlideStart
    	this.slide = DynLayerSlide
    	this.onSlide = new Function("")
    	this.onSlideEnd = new Function("")
    }
    function DynLayerSlideTo(endx,endy,inc,speed,fn) {
    	if (endx==null) endx = this.x
    	if (endy==null) endy = this.y
    	var distx = endx-this.x
    	var disty = endy-this.y
    	this.slideStart(endx,endy,distx,disty,inc,speed,fn)
    }
    function DynLayerSlideBy(distx,disty,inc,speed,fn) {
    	var endx = this.x + distx
    	var endy = this.y + disty
    	this.slideStart(endx,endy,distx,disty,inc,speed,fn)
    }
    function DynLayerSlideStart(endx,endy,distx,disty,inc,speed,fn) {
    	if (this.slideActive) return
    	if (!inc) inc = 10
    	if (!speed) speed = 20
    	var num = Math.sqrt(Math.pow(distx,2) + Math.pow(disty,2))/inc
    	if (num==0) return
    	var dx = distx/num
    	var dy = disty/num
    	if (!fn) fn = null
    	this.slideActive = true
    	this.slide(dx,dy,endx,endy,num,1,speed,fn)
    }
    function DynLayerSlide(dx,dy,endx,endy,num,i,speed,fn) {
    	if (!this.slideActive) return
    	if (i++ < num) {
    		this.moveBy(dx,dy)
    		this.onSlide()
    		if (this.slideActive) setTimeout(this.obj+".slide("+dx+","+dy+","+endx+","+endy+","+num+","+i+","+speed+",\""+fn+"\")",speed)
    		else this.onSlideEnd()
    	}
    	else {
    		this.slideActive = false
    		this.moveTo(endx,endy)
    		this.onSlide()
    		this.onSlideEnd()
    		eval(fn)
    	}
    }
    
    // DynLayer Clip Methods (optional)
    // provides layer clipping functionality
    function DynLayerClipInit(clipTop,clipRight,clipBottom,clipLeft) {
    	this.clipTo = DynLayerClipTo
    	this.clipBy = DynLayerClipBy
    	this.clipValues = DynLayerClipValues
    	if (is.ie) {
    		if (arguments.length==4) this.clipTo(clipTop,clipRight,clipBottom,clipLeft)
    		else if (is.ie4) this.clipTo(0,this.css.pixelWidth,this.css.pixelHeight,0)
    	}
    }
    function DynLayerClipTo(t,r,b,l) {
    	if (t==null) t = this.clipValues('t')
    	if (r==null) r = this.clipValues('r')
    	if (b==null) b = this.clipValues('b')
    	if (l==null) l = this.clipValues('l')
    	if (is.ns) {
    		this.css.clip.top = t
    		this.css.clip.right = r
    		this.css.clip.bottom = b
    		this.css.clip.left = l
    	}
    	else if (is.ie) this.css.clip = "rect("+t+"px "+r+"px "+b+"px "+l+"px)"
    }
    function DynLayerClipBy(t,r,b,l) {
    	this.clipTo(this.clipValues('t')+t,this.clipValues('r')+r,this.clipValues('b')+b,this.clipValues('l')+l)
    }
    function DynLayerClipValues(which) {
    	if (is.ie) var clipv = this.css.clip.split("rect(")[1].split(")")[0].split("px")
    	if (which=="t") return (is.ns)? this.css.clip.top : Number(clipv[0])
    	if (which=="r") return (is.ns)? this.css.clip.right : Number(clipv[1])
    	if (which=="b") return (is.ns)? this.css.clip.bottom : Number(clipv[2])
    	if (which=="l") return (is.ns)? this.css.clip.left : Number(clipv[3])
    }
    
    // DynLayer Write Method (optional)
    // rewrites the contents of the layer
    function DynLayerWrite(html) {
    	if (is.ns) {
    		this.doc.open()
    		this.doc.write(html)
    		this.doc.close()
    	}
    	else if (is.ie) {
    		this.event.innerHTML = html
    	}
    }
    
    // DynLayerTest Function (optional - disable with DynLayer.useTest=false)
    // makes sure the layer target is correct before assigning the DynLayer, outputs useful info if incorrect
    function DynLayerTest(id,nestref) {
    	var ref = new Array()
    	if (nestref) ref = nestref.split('.document.')
    	ref[ref.length] = id
    	var refstr = (is.ns)? 'document.'+ref[0] : 'document.all.'+ref[0]
    	for (var i=1; i<=ref.length; i++) {
    		if (eval(refstr)) {
    			if (ref.length==i) return true
    			else refstr += (is.ns)? '.document.'+ref[i] : '.all.'+ref[i]
    		}
    		else {
    			var str ='DynLayer Error:'
    			for (j in ref) {
    				str += '\n'+ref[j]
    				if (j==i-1) str += '  <-- this layer cannot be found'
    			}
    			if (DynLayerTest.count++<5) alert(str)
    			else alert("Too many DynLayer errors, quitting.")
    			return false
    		}
    	}
    	return false
    }
    DynLayerTest.count = 0
    
    // DynLayerInit
    // automatically retrieves nested heirarchy of the layer and defines DynLayers named with "Div"
    function DynLayerInit(nestref) {
    	if (!DynLayer.set) DynLayer.set = true
    	if (is.ns) {
    		if (nestref) ref = eval('document.'+nestref+'.document')
    		else {nestref = ''; ref = document;}
    		for (var i=0; i<ref.layers.length; i++) {
    			var divname = ref.layers[i].name
    			DynLayer.nestRefArray[divname] = nestref
    			var index = divname.indexOf("Div")
    			if (index > 0) {
    				eval(divname.substr(0,index)+' = new DynLayer("'+divname+'","'+nestref+'")')
    			}
    			if (ref.layers[i].document.layers.length > 0) {
    				DynLayer.refArray[DynLayer.refArray.length] = (nestref=='')? ref.layers[i].name : nestref+'.document.'+ref.layers[i].name
    			}
    		}
    		if (DynLayer.refArray.i < DynLayer.refArray.length) {
    			DynLayerInit(DynLayer.refArray[DynLayer.refArray.i++])
    		}
    	}
    	else if (is.ie) {
    		for (var i=0; i<document.all.tags("DIV").length; i++) {
    			var divname = document.all.tags("DIV")[i].id
    			var index = divname.indexOf("Div")
    			if (index > 0) {
    				eval(divname.substr(0,index)+' = new DynLayer("'+divname+'")')
    			}
    		}
    	}
    	return true
    }
    DynLayer.nestRefArray = new Array()
    DynLayer.refArray = new Array()
    DynLayer.refArray.i = 0
    DynLayer.set = false
    DynLayer.useTest = true
    
    // CSS function (optional)
    // returns CSS syntax for generated layers
    function css(id,left,top,width,height,color,vis,z,other) {
    	if (id=="START") return '<STYLE TYPE="text/css">\n'
    	else if (id=="END") return '</STYLE>'
    	var str = (left!=null && top!=null)? '#'+id+' {position:absolute; left:'+left+'px; top:'+top+'px;' : '#'+id+' {position:relative;'
    	if (arguments.length>=4 && width!=null) str += ' width:'+width+'px;'
    	if (arguments.length>=5 && height!=null) {
    		str += ' height:'+height+'px;'
    		if (arguments.length<9 || other.indexOf('clip')==-1) str += ' clip:rect(0px '+width+'px '+height+'px 0px);'
    	}
    	if (arguments.length>=6 && color!=null) str += (is.ns)? ' layer-background-color:'+color+';' : ' background-color:'+color+';'
    	if (arguments.length>=7 && vis!=null) str += ' visibility:'+vis+';'
    	if (arguments.length>=8 && z!=null) str += ' z-index:'+z+';'
    	if (arguments.length==9 && other!=null) str += ' '+other
    	str += '}\n'
    	return str
    }
    function writeCSS(str,showAlert) {
    	str = css('START')+str+css('END')
    	document.write(str)
    	if (showAlert) alert(str)
    }
    
    ok = false; pick = 0;
    if (navigator.userAgent.indexOf ("Mozilla") != -1) {
      ok = parseInt(navigator.appVersion.substring(0,1)) >= 3
    } else {}
    
       if (ok == 1) {
          arrowx = new Image(23,20)
          arrowx.src = "images/arrow_x.gif"
          arrowo = new Image(23,20)
          arrowo.src = "images/arrow_o.gif"
       }
    
    var contador
    function init() {
    	DynLayerInit()
    	windowHeight = SW.h
    	contentHeight = (is.ns)? SC.doc.height : SC.event.scrollHeight
    	offsetHeight = contentHeight - windowHeight
    }
    
    function rola_acima () {
    	if (SC.y < 0) SC.moveBy(0,2)
    }
    
    function acima() {
    	contador=setInterval("rola_acima()",30)
    }
      
    function rola_abaixo() {
    	if (SC.y > -offsetHeight) SC.moveBy(0,-2)
    }
    
    function abaixo() {
    	contador=setInterval("rola_abaixo()",30)
    }
    
    function para() {
    	clearInterval(contador)
    }