var tiempo = null;
		var totalImagenes = 3;
		var valor = 0;
		var opc_obj = null;
		var opc_seleccionado = null;
		var obj_contenedor = null;
		
		var arr_videos = [];
			 arr_videos[1] = '<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/crIauymfnE0&hl=es&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/crIauymfnE0&hl=es&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><a href="javascript:visualizaVideo(null);" class="cerrar"><img src="img/sp2.png" width="22" height="22" /></a>';
			
			arr_videos[2] = '<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/Prmf2vv6jI0&hl=es&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/Prmf2vv6jI0&hl=es&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><a href="javascript:visualizaVideo(null);" class="cerrar"><img src="img/sp2.png" width="22" height="22" /></a>';
			
			arr_videos[3] = '<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/DXTyXdXbSfI&hl=es_ES&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/DXTyXdXbSfI&hl=es_ES&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><a href="javascript:visualizaVideo(null);" class="cerrar"><img src="img/sp2.png" width="22" height="22" /></a>';
			
			arr_videos[4] = '<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/3UQsB9VRtq8&hl=es_ES&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/3UQsB9VRtq8&hl=es_ES&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><a href="javascript:visualizaVideo(null);" class="cerrar"><img src="img/sp2.png" width="22" height="22" /></a>';
			
			arr_videos[5] = '<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/v2SD9i22RZk&hl=es_ES&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/v2SD9i22RZk&hl=es_ES&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><a href="javascript:visualizaVideo(null);" class="cerrar"><img src="img/sp2.png" width="22" height="22" /></a>';
			
			arr_videos[6] = '<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/d-AyCnccfwM&hl=es_ES&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/d-AyCnccfwM&hl=es_ES&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><a href="javascript:visualizaVideo(null);" class="cerrar"><img src="img/sp2.png" width="22" height="22" /></a>';
			
			arr_videos[7] = '<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/FZW4cKu6WPQ&hl=es_ES&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/FZW4cKu6WPQ&hl=es_ES&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><a href="javascript:visualizaVideo(null);" class="cerrar"><img src="img/sp2.png" width="22" height="22" /></a>';
			
		var x = new Image(1, 1);
		x.src = "img/fondo.jpg";
		
		var fondo_opc1 = new Image(1, 1);
		fondo_opc1.src = "img/fondo_quienessomos.png";
		
		var fondo_opc2 = new Image(1, 1);
		fondo_opc2.src = "img/fondo_queofrecemos.png";
		
		var fondo_portafolio_1 = new Image(1,1);
		fondo_portafolio_1.src = "img/fondo_portafolio_1.png";
		
		var fondo_portafolio_2 = new Image(1,1);
		fondo_portafolio_2.src = "img/fondo_portafolio_2.png";
		
		var fondo_portafolio_3 = new Image(1,1);
		fondo_portafolio_3.src = "img/fondo_portafolio_3.png";
		
		var fondo_portafolio_4 = new Image(1,1);
		fondo_portafolio_4.src = "img/fondo_portafolio_4.png";
		
		var fondo_portafolio_5 = new Image(1,1);
		fondo_portafolio_5.src = "img/fondo_portafolio_5.png";
		
		var opc1_on = new Image(254,71);
		opc1_on.src = "img/quienessomos_on.jpg";
		
		var opc1_off = new Image(254,71);
		opc1_off.src = "img/quienessomos_off.png";
		
		var opc2_on = new Image(225,84);
		opc2_on.src = "img/queofrecemos_on.jpg";
		
		var opc2_off = new Image(225,84);
		opc2_off.src = "img/queofrecemos_off.png";
		
		var opc3_on = new Image(228,57);
		opc3_on.src = "img/portafolio_on.jpg";
		
		var opc3_off = new Image(228,57);
		opc3_off.src = "img/portafolio_off.png";
		
		var opc4_on = new Image(187,63);
		opc4_on.src = "img/contacto_on.jpg";
		
		var opc4_off = new Image(187,63);
		opc4_off.src = "img/contacto_off.png";
		
						
		flagx = false, flag_opc1_on = false , flag_opc1_off = false,flag_opc2_on = false , flag_opc2_off = false,flag_opc3_on = false , flag_opc3_off = false,flag_opc4_on = false , flag_opc4_off = false, flagfondo_opc1 = false, flagfondo_opc2 = false, flagfondo_portafolio_1 = false;;
		
		function empieza() {
			clearTimeout(tiempo);
			var numPorcentaje = 0;
			var total = 11;
			var aux = 0;
			
			if (x.complete){
				flagx = true;
				aux++;
			}		
			
			if (fondo_opc1.complete){
				flagfondo_opc1 = true;
				aux++;
			}	
			if (fondo_opc2.complete){
				flagfondo_opc2 = true;
				aux++;
			}	
			if (opc1_on.complete){
				flag_opc1_on = true;
				aux++;
			}
			if (fondo_portafolio_1.complete){
				flagfondo_portafolio_1 = true;
				aux++;
			}	
			if (fondo_portafolio_2.complete){
				flagfondo_portafolio_2 = true;
				aux++;
			}	
			if (fondo_portafolio_3.complete){
				flagfondo_portafolio_3 = true;
				aux++;
			}	
			if (fondo_portafolio_4.complete){
				flagfondo_portafolio_4 = true;
				aux++;
			}	
			if (fondo_portafolio_5.complete){
				flagfondo_portafolio_5 = true;
				aux++;
			}	
			if (opc1_off.complete){
				flag_opc1_off = true;
				aux++;
			}	
			
			if (opc2_on.complete){
				flag_opc2_on = true;
				aux++;
			}	

			if (opc2_off.complete){
				flag_opc2_off = true;
				aux++;
			}	
			
			if (opc3_on.complete){
				flag_opc3_on = true;
				aux++;
			}	

			if (opc3_off.complete){
				flag_opc3_off = true;
				aux++;
			}	

			if (opc4_on.complete){
				flag_opc4_on = true;
				aux++;
			}	

			if (opc4_off.complete){
				flag_opc4_off = true;
				aux++;
			}	
			
			var por = ( (aux / total) * 100);
			
			if (flagx && flag_opc1_on && flag_opc1_off && flag_opc2_on && flag_opc2_off && flag_opc3_on && flag_opc3_off && flag_opc4_on && flag_opc4_off && flagfondo_opc1 && flagfondo_opc2 && flagfondo_portafolio_1 && flagfondo_portafolio_2 && flagfondo_portafolio_3 && flagfondo_portafolio_4 && flagfondo_portafolio_5) {
				
				setOpacity(1,'contenedor');
				document.getElementById('contenedor').style.display = "block";
				document.getElementById('cargando').style.display = "none";
				
			} else {
			 	
			 	tiempo=setTimeout('empieza()', 50);
			 
		   }	 
		}
		
		function setOpacity(value,param) {
			valor = parseInt(value) + 1;

			document.getElementById(param).style.opacity = value/10;
			document.getElementById(param).style.filter = 'alpha(opacity=' + value*10 + ')';
			document.getElementById(param).style.display = "block";
			if(valor <= 10){
			   	tiempo = setTimeout('setOpacity(' + valor + ',"' + param + '")',70);
			}
		}
		function unsetOpacity(value,param) {
			valor = parseInt(value) - 1;

			document.getElementById(param).style.opacity = value/10;
			document.getElementById(param).style.filter = 'alpha(opacity=' + value*10 + ')';
			document.getElementById(param).style.display = "block";
			if(valor > -1){
			   	tiempo = setTimeout('unsetOpacity(' + valor + ',"' + param + '")',70);
			}
		}
		function selectMenuOpc(param,opc,contenedor){
			visualizaVideo(null);
			
			if(opc_obj != null){
				opc_obj.src = eval("opc" + opc_seleccionado + "_off.src");
			}
				
			if(obj_contenedor != null ){
				clearTimeout(tiempo);
				obj_contenedor.style.display = "none";
			}

			var obj = document.getElementById(param);
				 opc_obj = obj;
			var objContenedor = document.getElementById(contenedor);
				 obj_contenedor = objContenedor;
			opc_seleccionado = opc;
				 
			obj.src = eval("opc" + opc + "_on.src");
			setOpacity(0,objContenedor.id);
		}
		function setMenu(param,sw,opc){
			
			var obj = document.getElementById(param);
			if(opc != opc_seleccionado){				
				if(sw)obj.src = eval("opc" + opc + "_on.src");
				else obj.src = eval("opc" + opc + "_off.src");
			}	
		}

		var video_seleccionado = null;
		
		function visualizaVideo(param){
			
			if(video_seleccionado != null){
				video_seleccionado.style.display = "none";
				video_seleccionado.innerHTML = "";
			}	
			if(param != null){
				video_seleccionado = document.getElementById("video_" + param);
				
				video_seleccionado.innerHTML = arr_videos[param];
				
				video_seleccionado.style.display = "block";
			} else if(video_seleccionado != null){
				video_seleccionado.style.display = "none";
				video_seleccionado.innerHTML = "";
				video_seleccionado = null;
			}	

		}
		
		function visualizaUrl(param){
		
			window.open(param);
			
		}
		
		onload = function(){
			tiempo = setTimeout('empieza()',100);
		}