var strText1 = document.getElementById("menu").innerHTML;
var strText2 = document.getElementById("menu-bottom").innerHTML;
var strNewText1;
var strNewText2;

var intIndexOfMatch1 = strText1.lastIndexOf("|");
var intIndexOfMatch2 = strText2.lastIndexOf("|");

strNewText1 = strText1.slice(0, intIndexOfMatch1);
strNewText2 = strText1.slice(0, intIndexOfMatch2);

document.getElementById("menu").innerHTML = strNewText1; 
document.getElementById("menu-bottom").innerHTML = strNewText2;