var line = new Image();
var blank = new Image();

line.src = "fileadmin/images/button/aktiveline.gif";
blank.src = "fileadmin/images/button/line.gif"


function doService(picimage) {
eval("document['service'].src = " + picimage + ".src");
}

function doSchulung(picimage) {
eval("document['schulung'].src = " + picimage + ".src");
}

function doWebdesign(picimage) {
eval("document['webdesign'].src = " + picimage + ".src");
}

function doSoftware(picimage) {
eval("document['software'].src = " + picimage + ".src");
}

function doConsulting(picimage) {
eval("document['consulting'].src = " + picimage + ".src");
}