window.onload = function(){
    var show = document.getElementById("payoption1");
    show.style.display = "block";
    var op1 = document.getElementById("select1");
    op1.setAttribute("class", "selectedoption");
}

function selected(num){
    var op1 = document.getElementById("select1");
    op1.setAttribute("class", "selectoption");
    hideOps();
    var number = "payoption"+num;
    var option = document.getElementById(number);
    option.style.display = "block";
}

function hideOps(){
    var ops = new Array(4);
    ops[0] = document.getElementById("payoption1");
    ops[1] = document.getElementById("payoption2");
    ops[2] = document.getElementById("payoption3");
    ops[3] = document.getElementById("payoption4");
    for(var i = 0; i < ops.length; i++){
        ops[i].style.display = "none";
    }
}

function overImage(imgname){
    var mainImage = document.getElementById("mainimage");
	var imageName = imgname;
	var newSRC = 'phpThumb/phpThumb.php?src=/var/www/vhosts/cocreatedesign.com/httpdocs/clientarea/riverside/phpThumb/'+imageName+'&w=240&h=188&zc=1&q=90';
	alert(newSRC);
    mainImage.src = newSRC;
	mainImage = document.getElementById("mainimage").src;
	alert(mainImage);
}