function check_high (soll) {

         var height = window.innerHeight || (window.document.documentElement.clientHeight || window.document.body.clientHeight);
         height -= 570;
         //alert("Muss: "+soll+" / Ist: "+height);
         if(soll<height){document.getElementById('content').style.height = height+"px";}
         else{document.getElementById('content').style.height = soll+"px";}
}
function check_high01 (soll) {

         var height = window.innerHeight || (window.document.documentElement.clientHeight || window.document.body.clientHeight);
         height -= 200;
         //alert("Muss: "+soll+" / Ist: "+height);
         if(soll<height){document.getElementById('content_01').style.height = height+"px";}
         else{document.getElementById('content_01').style.height = soll+"px";}
}
function check_high02 (soll) {

         var height = window.innerHeight || (window.document.documentElement.clientHeight || window.document.body.clientHeight);
         height -= 650;
         //alert("Muss: "+soll+" / Ist: "+height);
         if(soll<height){document.getElementById('content_06').style.height = height+"px";}
         else{document.getElementById('content_06').style.height = soll+"px";}
}
function check_high03 (soll) {

         var height = window.innerHeight || (window.document.documentElement.clientHeight || window.document.body.clientHeight);
         height -= 650;
         //alert("Muss: "+soll+" / Ist: "+height);
         if(soll<height){document.getElementById('content_10').style.height = height+"px";}
         else{document.getElementById('content_10').style.height = soll+"px";}
}