// Javascript Fehler unterdruecken
// onerror = stopError;
function stopError()
{
return true;
}

// Umgebungsvariablen auslesen

	// convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    // Note: Opera and WebTV spoof Navigator.  We do strict client detection.
    // If you want to allow spoofing, take out the tests for opera and webtv.
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
    var is_nav2 = (is_nav && (is_major == 2));
    var is_nav3 = (is_nav && (is_major == 3));
    var is_nav4 = (is_nav && (is_major == 4));
    var is_nav4up = (is_nav && (is_major >= 4));
    var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                          (agt.indexOf("; nav") != -1)) );
    var is_nav6 = (is_nav && (is_major == 5));
    var is_nav6up = (is_nav && (is_major >= 5));
    var is_gecko = (agt.indexOf('gecko') != -1);


    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie3    = (is_ie && (is_major < 4));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
    var is_ie4up  = (is_ie && (is_major >= 4));
    var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
    var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
    var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
    var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);

    // KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
    // or if this is the first browser window opened.  Thus the
    // variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.
    var is_aol   = (agt.indexOf("aol") != -1);
    var is_aol3  = (is_aol && is_ie3);
    var is_aol4  = (is_aol && is_ie4);
    var is_aol5  = (agt.indexOf("aol 5") != -1);
    var is_aol6  = (agt.indexOf("aol 6") != -1);

    var is_opera = (agt.indexOf("opera") != -1);
    var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
    var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
    var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
    var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
    var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);

    var is_webtv = (agt.indexOf("webtv") != -1); 

    var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); 
    var is_AOLTV = is_TVNavigator;

    var is_hotjava = (agt.indexOf("hotjava") != -1);
    var is_hotjava3 = (is_hotjava && (is_major == 3));
    var is_hotjava3up = (is_hotjava && (is_major >= 3));


myload=0;
var rollover=true;

if ((!is_nav4)*(!is_opera)) document.write('<link rel="stylesheet" href="http://www.ingenieurbuero-genz.de/scripts/proform.css" type="text/css">');

// Navigationsfunktionalität

choutt=0;

function overt(x)
	{
	if (choutt==0) x.style.border='1px solid #fd8b04';
	}
	
function outt(x)
	{
	if (choutt==0) x.style.border='1px solid white';
	}
	
function clickt(x,url)
	{
	x.style.border='1px solid #fd8b04';
	choutt=1;
	top.location.href=url;
	}

// Formular per Image-Button abschicken

function Go()
	{
	document.forms[document.forms.length-1].submit();
	}


	
// IE Onclick-Rahmen ausblenden

function nix(x)
	{
	if ((is_nav6)+(is_ie)) x.blur();
	}
	
// Formular-Interaktivität

function fok(x)
	{
	if ((is_nav4)+(is_opera)) return;
	if (x.name=="sbeg") x.style.background='white';
	else
		{
		x.style.border='1px dotted #fd8b04';
		x.style.color='#fd8b04';
		stdcolor="#212121";
		if (is_ie) stdcolor="#ffffff";
		for (f=0;f<(document.forms.length);f++)
			{
			for (i=0;i<(document.forms[f].elements.length);i++)
				{
				if (document.forms[f].elements[i].name==x.name) 
					{
					for (e=0;e<(document.forms[f].elements.length);e++)
						{
						if (document.forms[f].elements[e].type=="submit") document.forms[f].elements[e].style.border='1px solid '+stdcolor;
						}
					}
				}
			}
		}
	}
	
function blu(x)
	{
	if ((is_nav4)+(is_opera)) return;
	if (x.name=="sbeg")
		{
		if (x.value!='') 
			{
			x.style.background='#C7617C';
			}
		else
			{
			x.style.background='#eaa8ba';
			}
		}
	else
		{
		x.style.border='1px solid #212121';
		x.style.color='#212121';
		if (x.value!='') 
			{
			x.style.color='#bbbbbb';
			x.style.border='1px solid #bbbbbb';
			}
		for (f=0;f<(document.forms.length);f++)
			{
			for (i=0;i<(document.forms[f].elements.length);i++)
				{
				if (document.forms[f].elements[i].name==x.name) 
					{
					for (e=0;e<(document.forms[f].elements.length);e++)
						{
						if (document.forms[f].elements[e].type=="submit") document.forms[f].elements[e].style.border='1px dotted black';
						}
					}
				}
			}
		}
	}

blinck=1;
emailvalue=false;
namevalue=false;

function lightEmail()
	{
	if ((is_nav4)+(is_opera)) return;
	if (top.window.location.name!="email") hideLightEmail();
	else
		{
		if (blinck==0) {hideLightEmail();blinck=1;} else {showLightEmail();blinck=0;}
		setTimeout("lightEmail()",500*(1.5-blinck));
		}
	}

function showLightEmail()
	{
	for (f=0;f<(document.forms.length);f++)
		{
		for (i=0;i<(document.forms[f].elements.length);i++)
			{
			if (document.forms[f].elements[i].name=="email") 
				{
				if (document.forms[f].elements[i].value.indexOf("@")>-1) emailvalue=true;
				else
					{
					document.forms[f].elements[i].style.border='1px dotted #fd8b04';
					}
				}
			if (document.forms[f].elements[i].name=="Name") 
				{
				if (document.forms[f].elements[i].value!="") namevalue=true;
				else
					{
					document.forms[f].elements[i].style.border='1px dotted #fd8b04';
					}
				}
			if ((emailvalue==true)*(namevalue==true)) top.window.location.name="";
			}
		}
	}

function hideLightEmail()
	{
	for (f=0;f<(document.forms.length);f++)
		{
		for (i=0;i<(document.forms[f].elements.length);i++)
			{
			if (document.forms[f].elements[i].name=="email") 
				{
				document.forms[f].elements[i].style.border='1px solid #212121';
				}
			if (document.forms[f].elements[i].name=="Name") 
				{
				document.forms[f].elements[i].style.border='1px solid #212121';
				}
			}
		}
	}