function preCarrega(pag){
	
	//Sempre carreguem les imatges de menú
	preload('http://www.fustcom.com/images/base_r3_c1v.jpg','http://www.fustcom.com/images/base_r4_c1v.jpg', 'http://www.fustcom.com/images/base_r5_c1v.jpg' );
	
	if (pag == 'producte'){
		preload('http://www.fustcom.com/images/botons-producte-vermell_r2_c2.jpg','http://www.fustcom.com/images/botons-producte-vermell_r3_c2.jpg', 'http://www.fustcom.com/images/botons-producte-vermell_r4_c2.jpg', 'http://www.fustcom.com/images/botons-producte-vermell_r5_c2.jpg', 'http://www.fustcom.com/images/botons-producte-vermell_r6_c2.jpg', 'http://www.fustcom.com/images/producte-fustcom-vermell.jpg');	
	}
	
	if (pag == 'descarrega'){
		preload('http://www.fustcom.com/images/catalegvermell_r2_c2.jpg','http://www.fustcom.com/images/catalegvermell_r3_c2.jpg', 'http://www.fustcom.com/images/catalegvermell_r4_c2.jpg');	
	}
	
}


function preload() {
	var ar = new Array();
	var arguments = preload.arguments;
	for (var i = 0; i < arguments.length; i++) {
		ar[i] = new Image();
		ar[i].src = arguments[i];
	}
}