//Alternar as colunas de cinco partes
function alternateFiveParts(id){
	if(document.getElementById){						//check that browser has capabilities
		var table = document.getElementById(id);		//get just the selected table not all of them
		var rows = table.getElementsByTagName("a");	//get all list elements      
    for(i = 0; i < rows.length; i++){				//alternate styles			
      //manipulate list elements	
      doFiveParts(rows[i], i);
    }
	}
}

function doFiveParts(row, i){
  var widths = new Array('0 7px 7px 0','0 7px 7px 0','0 7px 7px 0','0 7px 7px 0','0 0 7px 0');
  row.style.margin = widths[i % widths.length];
}
//Fim do alternar