function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

 $(document).ready(function() {
   
    $("#kontrastform").submit(function() {      
          var cssUrl = $("link[media='screen']").eq(1).attr("href");
          var kontrastFlag = (cssUrl.indexOf("kontrast")==-1)?"kontrast":"dummy";
          
          $("link[media='screen']").eq(1).attr("href", "http://www.ilmr.de/wp-content/themes/ilmr/"+kontrastFlag+".css");  
          createCookie("kontrastFlag",kontrastFlag,30);  
            
          return false;
    });


    $("#schriftformkleiner").submit(function() {
          var aktSize = $("body").css("font-size");
          aktSize =  aktSize.substring(0, aktSize.indexOf("px"));
          if(aktSize<3)
              return false;
          aktSize--;
          aktSize--;
          $("body").css("font-size", aktSize+"px");
          createCookie("schriftGroesse",aktSize,30);  
          
          //console.log("kleiner");
          return false;
    });  
    
    $("#schriftformgroesser").submit(function() {
          var aktSize = $("body").css("font-size");
          aktSize =  aktSize.substring(0, aktSize.indexOf("px"));
          aktSize++;
          aktSize++;
          $("body").css("font-size", aktSize+"px");
          createCookie("schriftGroesse",aktSize,30);
           window.location="#bottom"; 
          //console.log(aktSize );
          return false;
    });  
 });