function muestra_hijos(id)
	{
		if($("#hijos_de_"+id).css("display") == "none")
		{
			$("#hijos_de_"+id).slideDown("slow");
			$("#padre_"+id).addClass("seleccionado");
			$("#padre_"+id).removeClass("no_seleccionado");
			
		}
		else
		{
			$("#hijos_de_"+id).slideUp("slow");
			$("#padre_"+id).removeClass("seleccionado");
			$("#padre_"+id).addClass("no_seleccionado");
		}
	}
	
	function envia_form(nombre)
	{
		document.getElementById(nombre).submit();
	}
	
	function quita_inpt(txt, caja)
	{
		if(caja.value == txt)
			caja.value = "";
	}
	
	function pon_inpt(txt, caja)
	{
		if(caja.value == "")
			caja.value = txt;
	}
	
	function fadeOut(id)
	{
		$("#"+id).fadeOut(500);
	}
	
	function fadeIn(id)
	{
		$("#"+id).fadeIn(500)
	}
	

	function muestra_cargando()
	{
		var h = screen.height/2 + document.documentElement.scrollTop - 30; 
		document.getElementById("msg_ajax").style.top = h +"px";
		$("#msg_ajax").show();
	}
	
	function oculta_cargando()
	{
		$("#msg_ajax").hide();
		fadeOut("formCambiaMail");
	}
	
	function hay_marcado(nombre)
	{
		//miramos si hay algun elemento marcado
		form = document.getElementById(nombre);
		
		var marcados = 0;
		var i;
		for (i=0; i < form.elements.length; i++)
		{
			if ((form.elements[i].type == 'checkbox'))
			{
				if(form.elements[i].checked)
					marcados++;
			}
		}		
		return marcados;
	}
	
	function marcar_todos(nombre, valor)
	{
		//miramos si hay algun elemento marcado
		form = document.getElementById(nombre);
		
		var marcados = 0;
		var i;
		for (i=0; i < form.elements.length; i++)
		{
			if ((form.elements[i].type == 'checkbox'))
			{
				form.elements[i].checked = valor;
			}
		}		
		return marcados;
	}
	
	function hay_marcadoContar(nombre)
	{
		//miramos si hay algun elemento marcado
		form = document.getElementById(nombre);
		
		var marcados = 0;
		var i;
		for (i=0; i < form.elements.length; i++)
		{
			if ((form.elements[i].type == 'checkbox'))
			{
				if(form.elements[i].checked)
				{
					if($("#"+form.elements[i].id).attr("contable") == "true")
						marcados++;
				}
			}
		}		
		return marcados;
	}
	
	function imprimir(id)
	{
		window.open("/imprimir.php?id="+id);
	}
	
	function getStrollVertical()
	{
		
		  var scrOfX = 0, scrOfY = 0;
		  if( typeof( window.pageYOffset ) == 'number' ) {
			//Netscape compliant
			scrOfY = window.pageYOffset;
			scrOfX = window.pageXOffset;
		  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
			//DOM compliant
			scrOfY = document.body.scrollTop;
			scrOfX = document.body.scrollLeft;
		  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
			//IE6 standards compliant mode
			scrOfY = document.documentElement.scrollTop;
			scrOfX = document.documentElement.scrollLeft;
		  }
		  return scrOfY;
	}
	
	var BrowserDetect = {
		init: function () {
			this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
			this.version = this.searchVersion(navigator.userAgent)
				|| this.searchVersion(navigator.appVersion)
				|| "an unknown version";
			this.OS = this.searchString(this.dataOS) || "an unknown OS";
		},
		searchString: function (data) {
			for (var i=0;i<data.length;i++)	{
				var dataString = data[i].string;
				var dataProp = data[i].prop;
				this.versionSearchString = data[i].versionSearch || data[i].identity;
				if (dataString) {
					if (dataString.indexOf(data[i].subString) != -1)
						return data[i].identity;
				}
				else if (dataProp)
					return data[i].identity;
			}
		},
		searchVersion: function (dataString) {
			var index = dataString.indexOf(this.versionSearchString);
			if (index == -1) return;
			return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
		},
		dataBrowser: [
			{
				string: navigator.userAgent,
				subString: "Chrome",
				identity: "Chrome"
			},
			{ 	string: navigator.userAgent,
				subString: "OmniWeb",
				versionSearch: "OmniWeb/",
				identity: "OmniWeb"
			},
			{
				string: navigator.vendor,
				subString: "Apple",
				identity: "Safari"
			},
			{
				prop: window.opera,
				identity: "Opera"
			},
			{
				string: navigator.vendor,
				subString: "iCab",
				identity: "iCab"
			},
			{
				string: navigator.vendor,
				subString: "KDE",
				identity: "Konqueror"
			},
			{
				string: navigator.userAgent,
				subString: "Firefox",
				identity: "Firefox"
			},
			{
				string: navigator.vendor,
				subString: "Camino",
				identity: "Camino"
			},
			{		// for newer Netscapes (6+)
				string: navigator.userAgent,
				subString: "Netscape",
				identity: "Netscape"
			},
			{
				string: navigator.userAgent,
				subString: "MSIE",
				identity: "Explorer",
				versionSearch: "MSIE"
			},
			{
				string: navigator.userAgent,
				subString: "Gecko",
				identity: "Mozilla",
				versionSearch: "rv"
			},
			{ 		// for older Netscapes (4-)
				string: navigator.userAgent,
				subString: "Mozilla",
				identity: "Netscape",
				versionSearch: "Mozilla"
			}
		],
		dataOS : [
			{
				string: navigator.platform,
				subString: "Win",
				identity: "Windows"
			},
			{
				string: navigator.platform,
				subString: "Mac",
				identity: "Mac"
			},
			{
				string: navigator.platform,
				subString: "Linux",
				identity: "Linux"
			}
		]
	
	};
	BrowserDetect.init();

	
	function descarga_viewer()
	{
		var es_mac = (BrowserDetect.OS=="Mac");
		
		if(es_mac)
			window.open('/PDCViewerSetup.dmg');
		else
			window.open('/SafeguardPDFViewer_v25.exe');		
	}