var static_x = 300;
var posicio = static_x *2;
var center_image;
var interval ;
var interval2;


function inici(){

	if (screen.width == 1024 && screen.height == 768){
		document.getElementById("static").style.left = 436 + "px";
		center_image = 436;
		document.getElementById("capa").style.display = '';
		
		document.getElementById("marti").style.left = 650 + "px";



	}
	
	if (screen.width == 800 && screen.height == 600){
		document.getElementById("static").style.left = 324 + "px";
		center_image = 324;
		document.getElementById("capa").style.display = '';
				
		document.getElementById("marti").style.left = 550 + "px";
	}



	interval = setInterval("mouEsquerra()",50);

}


function mouEsquerra(){

	posicio -= 2;
	document.getElementById("capa").style.left = posicio + "px";
	c = document.getElementById('static');

	if (posicio < center_image){
	clearInterval(interval);
	setTimeout("dreta()",10000);

	}

}


function dreta(){
	
	interval2 = setInterval("mouDreta()",50);

	}

function mouDreta(){

	posicio += 2;
	document.getElementById("capa").style.left = posicio + "px";

	if ( posicio > (static_x * 2)){
	clearInterval(interval2);
	setTimeout("inici()",5000);
	}
}