function mudaCor(itm){
	var ids = ['mhome','minstitucional','msolucao','mportifolio','mparceiros','mcontato','macesso'];
	for(var i=0;i<=6;i++){		
		if (itm != ids[i]){
			document.getElementById(ids[i]).style.color = '#FFFFFF';
			document.getElementById(ids[i]).style.backgroundImage = '';
		}else{
			//alert(itm);
			document.getElementById(itm).style.color = '#044198';
			document.getElementById(itm).style.backgroundImage = 'url(imagens/menu2.png)';
		}
	}
}