// automatische selektion in einem select element
function selectOption(element, value){
    var opt = element.options;
    for(i=0;i<opt.length;i++){
        if(opt[i].value==value){
            element.selectedIndex = i;
            return;
        }
    }
}

// division show hide ------------------------------------
var openDiv=null;
function showDiv(divId){
    if(openDiv!=null && openDiv!=divId)
        hideDiv(openDiv);
    div = document.getElementById(divId);
    div.style.visibility = 'visible';
    openDiv = divId;
}
function hideDiv(divId){
    div = document.getElementById(divId);
    div.style.visibility = 'hidden';
}

// confirm link
function confirmAction(href,prompt){
    if(confirm(prompt))
        window.location.href=href;
}