function show_picture(my_image_id, my_imageurl, my_imagewidth, my_imageheight){
var windowName = "thepicturepopup" + my_image_id;
var newwin;
var params = "width=" + (my_imagewidth + 0) + ", height=" + (my_imageheight + 0) + ",resizable=no, status=no, scrolling=no";
var window_left = (screen.width-my_imagewidth)/2;
var window_top = (screen.height-my_imageheight)/2;
newwin = window.open( "" , windowName , params )
with(newwin.document){
write("\n");
write("\n");
write("Bild\n");
write("\n");
write("\n");
write("![](\"")
\n");
write("\n");
write("\n");
}
newwin.moveTo(window_left,window_top);
return true;
}
var aktivFeld = "";
function auswahl(art, form) {
if (aktivFeld != ""){
tmpFeld = eval("document.forms[form]." + aktivFeld);
tmp = document.selection.createRange();
if (tmp.text != "") tmp.text = "#" + art + "start#" + tmp.text + "#" + art + "ende#";
aktivFeld = "";
}
return 1;
}
function checkDate(s_date){
// returns true if date exists, if not return value is false
var i_year = parseFloat(s_date.substring(6,10));
var i_month = parseFloat(s_date.substring(3,5));
var i_day = parseFloat(s_date.substring(0,2));
var daysofeachmonth = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
//calculate days in february
daysofeachmonth[1] = (!(i_year % 100) && !(i_year % 400)) ? 28 : (!(i_year % 4) ? 29 : 28);
if((i_year >=2036 || i_year < 1977) || (i_month < 1 || i_month > 12) || (i_day < 1 || i_day > daysofeachmonth[i_month - 1]))
return false;
else
return true;
}