function checkurl() 
{
var urltext=new String(document.forms[0].txturl.value);
if (urltext.substr(0,7).toUpperCase()=="HTTP://"){
  urltext=urltext.substr(7,urltext.length)}
  document.forms[0].txturl.value=urltext;  
}

function setzeCATEGORY()
{
document.forms[0].txttitel.value=document.forms[0].CATEGORY.options[document.forms[0].CATEGORY.selectedIndex].value;
document.forms[0].CATEGORY.selectedIndex=0
}

function senden()
{
check=true;
if (document.forms[0].txttitel.value=="")
{
check=false
};
if (document.forms[0].txtcontent.value=="")
{
check=false
};
if (document.forms[0].txtbild.value=="")
{
check=false
};
if (check==false) {
alert("Füllen sie alle Felder aus!") }
else
{
document.forms[0].submit()
}
}

function abbrechen()
{
top.document.location.href="_roentipps.asp"
}