function doKeyDown(Ereignis) {
	kc=(document.all)?event.keyCode:Ereignis.which;
//	alert(kc);
	var shiftctrlalt,shiftcrtl,crtlalt,altshift,shift,ctrl,alt=false;
	shiftctrlalt=(document.all)?event.shiftKey && event.ctrlKey && event.altKey : Ereignis.shiftKey && Ereignis.ctrlKey && Ereignis.altKey;
	shiftcrtl=(document.all)?event.ctrlKey && event.shiftKey : Ereignis.ctrlKey && Ereignis.shiftKey;
	crtlalt=(document.all)?event.ctrlKey && event.altKey : Ereignis.ctrlKey && Ereignis.altKey;
	altshift=(document.all)?event.altKey && event.shiftKey : Ereignis.altKey && Ereignis.shiftKey;
	shift=(document.all)?event.shiftKey : Ereignis.shiftKey; // KeyCode = 16
	ctrl=(document.all)?event.ctrlKey : Ereignis.ctrlKey;    // KeyCode = 17
	alt=(document.all)?event.altKey : Ereignis.altKey;       // KeyCode = 18
	if(shiftctrlalt) {}
	else if(shiftcrtl) {
		switch(kc) {
			case 13: document.location.href = document.URL.split("?")[0] + '?mode=design'; break;            /* return */
		}
	}
	else if(crtlalt) {}
	else if(altshift) {}
	else if(shift) {}
	else if(ctrl) {}
	else if(alt) {}
	else {}
}
document.onkeydown = doKeyDown;