// JavaScript Document

function activateStyleSheet(title) {
   var i, a, main;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
     if(a.getAttribute("rel").indexOf("style") != -1
        && a.getAttribute("title")) {
       a.disabled = true;
       if(a.getAttribute("title") == title) a.disabled = false;
     }
   }
}

function deactivateStyleSheet(title) {
   var i, a, main;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
     if(a.getAttribute("rel").indexOf("style") != -1
        && a.getAttribute("title")) {
       a.disabled = false;
       if(a.getAttribute("title") == title) a.disabled = true;
     }
   }
}

function checkStyle() {
		// Netscape-Methode
    if (window && window.innerWidth) {
        fensterbreite = window.innerWidth;
	    if (fensterbreite < 1150) {
	    	activateStyleSheet('klein');
	    }
	    else {
	    	deactivateStyleSheet('klein');
		}
    } // Internet-Explorer-Methode
    else if (document && document.body && document.body.offsetWidth) {
        fensterbreite = document.body.offsetWidth;
         if (fensterbreite < 1150) {
	    	activateStyleSheet('klein');
	    }
	    else {
	    	deactivateStyleSheet('klein');
		}
    }
    else {
    	// Browser unterstützt das nicht    
    }
}