var clickedImg;

function over(imgID) {
    document.getElementById(imgID).src = "img/"+imgID+"_a.jpg";
}

function out(imgID) {
    if(imgID != clickedImg) {
        document.getElementById(imgID).src = "img/"+imgID+".jpg";
    }
}

function clicked(imgID) {
    document.getElementById(imgID).src = "img/"+imgID+"_a.jpg";
    
    if (clickedImg&&(imgID!=clickedImg)) {
        document.getElementById(clickedImg).src = "img/"+clickedImg+".jpg";
    }
    
    clickedImg = imgID;    
}

//PRELOAD MOUSEOVER-IMAGES:
var myImages = new Array();
function preloadImages() {
    for (i=0;i<preloadImages.arguments.length;i++) {
        myImages[i]=new Image()
        myImages[i].src=preloadImages.arguments[i]
    }
}
//PRELOAD ENDE


var OS=navigator.userAgent;
if ((OS.indexOf("Win")==-1)&&(navigator.appName == "Microsoft Internet Explorer")) {
    //alert("mac ie");
    document.write("<link rel=\"stylesheet\" href=\"styles_macie.css\" type=\"text/css\">");  
}