swap the values of 4 variables with jquery or javascript

Originally I was using the following to swap the values of 2 variables at random when the page loaded:

    var value1 = 260;
    var value2 = 325;
    var chosenValue = Math.random() < 0.5 ? value1 : value2;
    if (value1 == chosenValue) { var val = value1; } else { var val = value2; }
    if (value1 == chosenValue) { var val2 = value2; } else { var val2 = value1; }

However now I need to swap out 4 values and I no idea how to go about doing that.

    var value1 = 260;
    var value2 = 325;
    var value3 = 195;
    var value4 = 130;

Note that each value must be used only once and must be displayed in random order each time page is loaded.

help?