function anchuraPantalla(){
	return document.documentElement.clientWidth;
}

function posicionarBanner(){
	if (navigator.appName == "Microsoft Internet Explorer")
		var ancho=anchuraPantalla();
	else
		var ancho=anchuraPantalla();

	if(ancho>950)
		var anchoExtremos=(ancho-950)/2;
	else	
		var anchoExtremos=0;
	
	var bannerIzq=document.getElementById("bannerizq");
	bannerIzq.style.width=anchoExtremos+"px";
	bannerIzq.align="right";	
	
	
	var bannerDer=document.getElementById("bannerder");
	bannerDer.style.width=anchoExtremos+"px";

	
	var fondoIzq=document.getElementById("fondoizq");
	fondoIzq.style.width=anchoExtremos+"px";
	fondoIzq.align="left";

	
	var fondo=document.getElementById("fondocentro");
	fondo.style.left="0px";
	
	var fondoDer=document.getElementById("fondoder");
	fondoDer.style.width=anchoExtremos+"px";
	fondoDer.style.left="0px";


	var pieIzq=document.getElementById("pieizq");
	pieIzq.style.width=anchoExtremos+"px";
	pieIzq.align="left";
	pieIzq.style.left="0px";
	
	var pie=document.getElementById("piecentro");
	pie.style.left="0px";
	
	var pieDer=document.getElementById("pieder");
	pieDer.style.width=anchoExtremos+"px";
	pieDer.style.left="0px";
	pieDer.style.top="0px";
	

}



function posicionarFondo(div){
	
	var altura=document.getElementById("wrap").style.height;
			
	altura=altura.substring(0,altura.length-2);		
	altura=parseInt(altura);
	
/* Actualizamos la altura del resto */
	
	document.getElementById("fondoizq").style.height = altura+"px";
	document.getElementById("fondoder").style.height = altura+"px";
	document.getElementById("fondocentro").style.height = altura+"px";	

}


function clearObj(obj){
	if(obj)
	while(obj.firstChild) obj.removeChild(obj.firstChild);
}

function resaltaItem(item){
	
	switch(item){
		case "empresa":
		case "productos":
		case "como":
		case "contacto":
			document.getElementById("menu"+item).className="menumarcado";
			break;

		case "usados":
		case "implementos":
		case "repuestos":
			document.getElementById("menu"+item).className="menumarcado2";
			break;		
			
		case "imagenusados":		
			document.getElementById("imagenProductos1").style.opacity="1";
			document.getElementById("imagenProductos1").filters.alpha.opacity=100;
			break;
			
		case "imagenimplementos":
			document.getElementById("imagenProductos2").style.opacity="1";
			document.getElementById("imagenProductos2").filters.alpha.opacity=100;
			break;
		case "imagenrepuestos":
			document.getElementById("imagenProductos3").style.opacity="1";
			document.getElementById("imagenProductos3").filters.alpha.opacity=100;
			break;
			
	}	
			
}

function restauraItem(item){
	switch(item){
		case "empresa":
		case "productos":
		case "como":
		case "contacto":
			document.getElementById("menu"+item).className="menu1";
			break;

		case "usados":
		case "implementos":
		case "repuestos":
			document.getElementById("menu"+item).className="menu2";
			break;		
		case "imagenusados":		
			document.getElementById("imagenProductos1").style.opacity="0.7";
			document.getElementById("imagenProductos1").filters.alpha.opacity=70;
			break;
			
		case "imagenimplementos":
			document.getElementById("imagenProductos2").style.opacity="0.7";
			document.getElementById("imagenProductos2").filters.alpha.opacity=70;
			break;
		case "imagenrepuestos":
			document.getElementById("imagenProductos3").style.opacity="0.7";
			document.getElementById("imagenProductos3").filters.alpha.opacity=70;
			break;
	}	
	
}


function resaltaSubmenu(item){
	document.getElementById("submenu"+item).src="pix/menu"+item+"over.png";
}

function restauraSubmenu(item){
	document.getElementById("submenu"+item).src="pix/menu"+item+".png";
}

function colocaSegundaColumna(seccion){
	
	if (navigator.appName == "Microsoft Internet Explorer") {
		
		if (seccion == 'implementos') {
			document.getElementById("textoProductos2").style.top = "-40";
			document.getElementById("col1fil1").style.top = "0";
			document.getElementById("col1fil2").style.top = "-20";
			document.getElementById("col1fil3").style.top = "-40";
			document.getElementById("col1fil4").style.top = "-60";
			document.getElementById("col1fil5").style.top = "-80";
			
			
			document.getElementById("col1fil1").style.left = "30px";
			document.getElementById("col1fil2").style.left = "30px";
			document.getElementById("col1fil3").style.left = "30px";
			document.getElementById("col1fil4").style.left = "30px";
			document.getElementById("col1fil5").style.left = "30px";
			
		}
		else {
			document.getElementById("col1fil1").style.top = "0";
			document.getElementById("col1fil2").style.top = "-20";
			document.getElementById("col1fil3").style.top = "-40";
			document.getElementById("col1fil4").style.top = "-60";
			document.getElementById("col1fil5").style.top = "-80";
			document.getElementById("col2fil1").style.top = "-190";
			document.getElementById("col2fil2").style.top = "-210";
			document.getElementById("col2fil3").style.top = "-230";
			document.getElementById("col2fil4").style.top = "-250";
			document.getElementById("col2fil5").style.top = "-270";
			document.getElementById("p1col1fil1").style.top = "-160";
			document.getElementById("p1col1fil2").style.top = "-180";
			document.getElementById("p1col1fil3").style.top = "-200";
			document.getElementById("p1col1fil4").style.top = "-220";
			document.getElementById("p1col1fil5").style.top = "-240";
			document.getElementById("p2col1fil1").style.top = "-10";
			document.getElementById("p2col1fil2").style.top = "-30";
			document.getElementById("p2col1fil3").style.top = "-50";
			
			document.getElementById("col1fil1").style.left = "30px";
			document.getElementById("col1fil2").style.left = "30px";
			document.getElementById("col1fil3").style.left = "30px";
			document.getElementById("col1fil4").style.left = "30px";
			document.getElementById("col1fil5").style.left = "30px";		
			document.getElementById("col2fil1").style.left = "280px";
			document.getElementById("col2fil2").style.left = "280px";
			document.getElementById("col2fil3").style.left = "280px";
			document.getElementById("col2fil4").style.left = "280px";
			document.getElementById("col2fil5").style.left = "280px";	
			document.getElementById("p1col1fil1").style.left = "30px";
			document.getElementById("p1col1fil2").style.left = "30px";
			document.getElementById("p1col1fil3").style.left = "30px";
			document.getElementById("p1col1fil4").style.left = "30px";
			document.getElementById("p1col1fil5").style.left = "30px";
			document.getElementById("p2col1fil1").style.left = "30px";
			document.getElementById("p2col1fil2").style.left = "30px";
			document.getElementById("p2col1fil3").style.left = "30px";	
		}	
		
	}
	else{
		document.getElementById("col1fil1").style.top = "0px";
		document.getElementById("col1fil2").style.top = "-10px";
		document.getElementById("col1fil3").style.top = "-20px";
		document.getElementById("col1fil4").style.top = "-30px";
		document.getElementById("col1fil5").style.top = "-40px";
		document.getElementById("col2fil1").style.top = "-151px";
		document.getElementById("col2fil2").style.top = "-161px";
		document.getElementById("col2fil3").style.top = "-171px";
		document.getElementById("col2fil4").style.top = "-181px";
		document.getElementById("col2fil5").style.top = "-191px";	
		document.getElementById("p2col1fil1").style.top = "-10px";
		document.getElementById("p2col1fil2").style.top = "-20px";
		document.getElementById("p2col1fil3").style.top = "-30px";
		
		document.getElementById("col1fil1").style.left = "30px";
		document.getElementById("col1fil2").style.left = "30px";
		document.getElementById("col1fil3").style.left = "30px";
		document.getElementById("col1fil4").style.left = "30px";
		document.getElementById("col1fil5").style.left = "30px";		
		document.getElementById("col2fil1").style.left = "280px";
		document.getElementById("col2fil2").style.left = "280px";
		document.getElementById("col2fil3").style.left = "280px";
		document.getElementById("col2fil4").style.left = "280px";
		document.getElementById("col2fil5").style.left = "280px";	
		document.getElementById("p1col1fil1").style.left = "30px";
		document.getElementById("p1col1fil2").style.left = "30px";
		document.getElementById("p1col1fil3").style.left = "30px";
		document.getElementById("p1col1fil4").style.left = "30px";
		document.getElementById("p1col1fil5").style.left = "30px";
		document.getElementById("p2col1fil1").style.left = "30px";
		document.getElementById("p2col1fil2").style.left = "30px";
		document.getElementById("p2col1fil3").style.left = "30px";			
	}
	
}