// functions to modify class of wrapper div based on window size //

function setWindow(section, type) {
    var windowWidth = getWindowWidth()
    var windowHeight = getWindowHeight()

	if (windowWidth < 870) {
        document.getElementById("wrapper").className = "window_small"
    }
    else {
       document.getElementById("wrapper").className = "window_medium"
    }

	if (windowWidth > 1110) {
       document.getElementById("wrapper").className = "window_big"
    }

    
} //setWindow