function test_price()
{
var ok=1;

if(document.getElementById('total').innerHTML=="0,00" || document.myForm.cant.value=='' || document.myForm.cant.value==0){
//alert("Lungimea sau latimea nu corespund!");
ok=0;
//break;
}

if(document.getElementById('mat').style.display=="inline" && document.myForm.sel1.value==0){
alert("Bitte Material auswählen!");
ok=0;
//break;
}
if(document.getElementById('op').style.display=="inline" && document.myForm.sel2.value==0){
alert("Bitte Operationen auswählen!");
ok=0;
//break;
}

if(ok==1)
document.myForm.submit();
}




function op_check(str)
{
change_price("t");



if (str=="")
  {
  document.getElementById("op").innerHTML="";
  return;
  } 
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
    document.getElementById("op").innerHTML=xmlhttp.responseText;
    }
  }
xmlhttp.open("GET","/op_check.php?q="+str,true);
xmlhttp.send();


}


function blocking1(nr)
{
document.getElementById(nr).style.display = 'none';
document.getElementById('s2').checked=false;
document.getElementById('s1').checked=true;

}

function blocking2(nr)
{
document.getElementById(nr).style.display = 'inline';
document.getElementById('s1').checked= false;
document.getElementById('s2').checked= true;

}