if (navigator.userAgent.indexOf("Mac") != -1) {
	if(document.layers) document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="css/nnmac.css">');
        else document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="css/iemac.css">');
} else if (navigator.userAgent.indexOf("Win") != -1) {
        if(document.layers) document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="css/nnpc.css">');
        else document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="css/iepc.css">');
} else {
        document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="css/else.css">');
}


function imageOver(imageName, oldSrc, newSrc){
	var imageIndex = imageFind(imageName);
	document.images[imageIndex].src = newSrc;
	document.currentImage = new Array(imageName, oldSrc);
}

function imageReturn(){
	var imageIndex = imageFind(document.currentImage[0]);
	document.images[imageIndex].src = document.currentImage[1];
}

function imageFind(imageToFind){
	for(n=0; n<document.images.length; n++){
		if(document.images[n].name==imageToFind){
			return(n);
			break;
		}
	}
}


function openWindow(url,id,w,h,features){
	windowNew = window.open(url,id,"width="+w+",height="+h+","+features+",status=yes");
}

function lateOpenWin(gourl) {
	window.setTimeout("window.open('"+gourl+"','lateWin','width=900,height=500,scrollbars,status,toolbar');",3000);
}

function confirmIt()
{
	if(confirmIt.arguments[1]) confirmMessage = confirmIt.arguments[1]; else confirmMessage = 'Sind Sie sicher?';
	Check = confirm(confirmMessage);
	if(Check == true) document.location.href = confirmIt.arguments[0];
}

//checkt inputfelder nach inhalt die im hidden feld "form_required" im html doc aufgezaehlt sind
function checkFields(formName){
	requiredArray = document.forms[formName].form_required.value.split(",");
	var functionBreak = 0;
	for(n=0; n<document.forms[formName].elements.length; n++){
			if(functionBreak==1){
				break;
			}
			for(i=0; i<requiredArray.length; i++){
				if(document.forms[formName].elements[n].type=="select-one"){
					if(requiredArray[i]==document.forms[formName].elements[n].name&&document.forms[formName].elements[n].selectedIndex==0){
						alert("Füllen Sie bitte alle Mussfelder aus");
						functionBreak=1;
					}
				} else {
					if(requiredArray[i]==document.forms[formName].elements[n].name&&document.forms[formName].elements[n].value==""){
						alert("Füllen Sie bitte alle Mussfelder aus");
						functionBreak=1;
					}
				}
			}
	}
	if(functionBreak==0){
		document.forms[formName].subButton.disabled = true;
		return true;
	} else {
		return false;
	}		
}