var IE;   // Explorer 
var N;    // Netscape 
var N7;   // Netscape 7 

window.onresize = doReSize;

function checkInnerHeight() {
if (document.all){IE=1;N=0;N7=0;}
else if (document.layers){IE=0;N=1;N7=0;}
else if (document.getElementById){IE=0;N=0;N7=1;}
if (IE) {document.all["mainpage"].style.height = (document.documentElement.offsetHeight-30)+"px";
		 document.all["content"].style.height = (document.documentElement.offsetHeight-170)+"px";
		 if (document.all["page_left"]) {
		 	//alert("hier");
			 //document.all["page_left"].style.height = (document.documentElement.offsetHeight-220)+"px";
			 document.all["page_left"].style.height = "auto";
			 //document.all["page_right"].style.height = (document.documentElement.offsetHeight-220)+"px";
		 }
} 
if (N)  {document.getElementById("mainpage").innerHTML.style.height = (window.innerHeight-25)+'px';
		 document.getElementById("content").innerHTML.height = (window.innerHeight-165)+"px";
		 if (document.getElementById("page_left")) {
			 document.all["page_left"].style.height = "auto";
			 //document.getElementById("page_right").innerHTML.style.height = (window.innerHeight-170)+"px";
		 }
}
if (N7) {document.getElementById("mainpage").style.height = (window.innerHeight-25)+'px';
		 document.getElementById("content").style.height = (window.innerHeight-165)+"px";
		 if (document.getElementById("page_left")) {
			 document.all["page_left"].style.height = "auto";
			 //document.getElementById("page_right").innerHTML.style.height = (window.innerHeight-170)+"px";
		 }
}
}
function doReSize(){checkInnerHeight();}