function popup(img,sx,sy) 
{
    image="<a href=\"javascript:self.close()\"><img src=\""+ img + "\" border=\"0\" alt=\"Fenster schliessen\"></a>"; 
    popupwin=window.open("","pics","'toolbar=no,location=no,directories=no,status=no,menubar=no,top=50,left=200,width="+sx+",height="+sy+";");
    popupwin.document.write("<HTML><BODY BGCOLOR=\"#000000\" topmargin=0 leftmargin=0 marginwidth=0 marginheight=0><CENTER>"+image+"</CENTER></BODY></HTML>");
    popupwin.document.close();
}
var oldtext=new Array();
function change(field,text)
{
    if (!document.all[field].getAttribute("iscopy")) 
    {
        oldtext[field]=document.all[field].innerHTML;
        document.all[field].innerHTML=text;
        document.all[field].setAttribute("iscopy",true);
    }
    else                        
    {
        document.all[field].innerHTML=oldtext[field];
        oldtext[field]=text;
        document.all[field].setAttribute("iscopy",false);
    }
}

function day_add(field)
{
    value=document.forms[0].elements[field].value;
    va=value.split(".");
    datum=new Date(va[2],va[1]-1,va[0]);
    datum=new Date(datum.getTime()+1000*60*60*24);
    value=String(datum.getDate()).length==2 ? datum.getDate() : "0"+datum.getDate();
    value+=".";
    value+=String(datum.getMonth()+1).length==2 ? datum.getMonth()+1 : "0"+(datum.getMonth()+1);
    value+=".";
    value+=datum.getYear();
    document.forms[0].elements[field].value=value;
}

function day_sub(field)
{
    value=document.forms[0].elements[field].value;
    va=value.split(".");
    datum=new Date(va[2],va[1]-1,va[0]);
    datum=new Date(datum.getTime()-1000*60*60*24);
    value=String(datum.getDate()).length==2 ? datum.getDate() : "0"+datum.getDate();
    value+=".";
    value+=String(datum.getMonth()+1).length==2 ? datum.getMonth()+1 : "0"+(datum.getMonth()+1);
    value+=".";
    value+=datum.getYear();
    document.forms[0].elements[field].value=value;
}

function divUpdate(divName,content)
{
    if (DOM)     {document.getElementById(divName).innerHTML=content;}
    else if (MS) {document.all[divName].innerHTML=content;}
}

var DHTML = 0, DOM = 0, MS = 0, OP = 0;

function DHTML_init() 
{
    if(window.opera)            {OP=1;}
    if(document.getElementById) {DHTML=1;DOM=1;}
    if(document.all && !OP)     {DHTML=1;MS=1;}
}
DHTML_init();

function menu(pos)
{
    for (i=1;i<8;i++)
    {
        if (pos==i) {document.images["menu"+i].src="images/menu_line1.gif";}
        else        {document.images["menu"+i].src="images/menu_noline.gif";}
    }
    divUpdate("submenu",submenu[pos]);
}

