var i = 0
         images = new Array
		 images[0] = "images/alk00.gif"
         images[1] = "images/alk00_05.gif"
         images[2] = "images/alk05_08.gif"
         images[3] = "images/alk08_10.gif"
         images[4] = "images/alk10_12.gif"
         images[5] = "images/alk12_15.gif"
         images[6] = "images/alk15_18.gif"
		 images[7] = "images/alk18_20.gif"
		 images[8] = "images/alk20_25.gif"
	
		 		

		 
 function trinkIndex(){

if (alkpegel == Infinity) {
document.img.src=images[0];
}
else if (alkpegel > 0.0 && alkpegel <= 0.5) {
document.img.src=images[1];
}
else if (alkpegel > 0.5 && alkpegel <= 0.8 ) {
document.img.src=images[2];
}
else if (alkpegel > 0.8 && alkpegel <= 1.0 ) {
document.img.src=images[3];
}
else if (alkpegel > 1.0 && alkpegel <= 1.2 ) {
document.img.src=images[4];
}
else if (alkpegel > 1.2 && alkpegel <= 1.5 ) {
document.img.src=images[5];
}
else if (alkpegel > 1.5 && alkpegel <= 1.8 ) {
document.img.src=images[6];
}
else if (alkpegel > 1.8 && alkpegel <= 2.0 ) {
document.img.src=images[7];
}
else if (alkpegel > 2.0 ) {
document.img.src=images[8];
}


}


var bier;
var wein;
var sprit;
var biermenge;
var weinmenge;
var spritmenge;
var geschlecht;
var abbau;
var promille;
var alkmenge;
var geschlCheck = false;

function ClearForm(form)
{
geschlecht = "0.00";
alkpegel = "0.00";
promille = "0.00";
alkmenge = "0.00";
gewicht = "0.00";
document.img.src = "images/alk00.gif";
}


function checkValue()
{
	if(document.fusel.gewicht.value == "")
	{
	alert('Bitte geben Sie bitte Ihr Gewicht ein. \nEs sieht ja keiner...');
	}
	if(document.fusel.gewicht.value >= 200)
	{
	alert('Falls Sie wirklich über 200 kg wiegen, \nsollten Sie keinen Alkohol trinken...');
	}
	if(!geschlCheck)
	{
	alert('Geben Sie bitte noch Ihr Geschlecht an!');
	}
}


function SetGeschlecht(hier) {
geschlecht = hier.value;
geschlCheck = true;
}


function HowMany(form) {
getValue1();
getValue2();
getValue3();
getValue4();
getValue5();
getValue6();
checkValue();

alkoholmenge = Math.round(100*((bier*biermenge*0.79)  + (wein*weinmenge*0.79) + (sprit*spritmenge*0.79))) / 100;
form.alkmenge.value = alkoholmenge;

alkpegel = Math.round((form.alkmenge.value) / ((geschlecht)*(form.gewicht.value))) / 100;
form.promille.value = alkpegel;

nuechtern = Math.round(1 + (form.alkmenge.value) / ((form.gewicht.value) * 0.1));
form.abbau.value = nuechtern;

trinkIndex();

}





function getValue1()
{

 var bur1Selection = document.fusel.bier.selectedIndex;
 if (bur1Selection==0) {bier = "0.00";}
 if (bur1Selection==1) {bier = "4.80";}	     //Pils
 if (bur1Selection==2) {bier = "7.00";}	     //Starkbier
 if (bur1Selection==3) {bier = "2.50";}	     //Leichtbier

}


function getValue2()
{

 var bur2Selection = document.fusel.biermenge.selectedIndex;
 if (bur2Selection==0) {biermenge = "0.00";}
 if (bur2Selection==1) {biermenge = "3.00";}	     //0,3
 if (bur2Selection==2) {biermenge = "4.00";}	     //0,4
 if (bur2Selection==3) {biermenge = "5.00";}	     //0,5
 if (bur2Selection==4) {biermenge = "6.00";}	     //0,6
 if (bur2Selection==5) {biermenge = "8.00";}	     //0,8
 if (bur2Selection==6) {biermenge = "10.00";}	     //1,0
 if (bur2Selection==7) {biermenge = "12.00";}	     //1,2
 if (bur2Selection==8) {biermenge = "15.00";}	     //1,5
 if (bur2Selection==9) {biermenge = "16.00";}	     //1,6
 if (bur2Selection==10) {biermenge = "20.00";}	     //2,0
 if (bur2Selection==11) {biermenge = "25.00";}	     //2,5
 if (bur2Selection==12) {biermenge = "30.00";}	     //3,0

}


function getValue3()

{
 var bSelection = document.fusel.wein.selectedIndex;
 if (bSelection==0) {wein = "0.00";}
 if (bSelection==1) {wein = "9.00";}	//Vinho verde
 if (bSelection==2) {wein = "10.00";}	//Leichter Wein
 if (bSelection==3) {wein = "11.00";}	//Leichter Wein
 if (bSelection==4) {wein = "11.00";}	//Sekt
 if (bSelection==5) {wein = "12.00";}	//Starker Wein
 if (bSelection==6) {wein = "13.00";}	//schwerer Wein
 if (bSelection==7) {wein = "16.00";}	//Dessertwein
 if (bSelection==8) {wein = "18.00";}	//Dessertwein

}


function getValue4()
{
 var cSelection = document.fusel.weinmenge.selectedIndex;
 if (cSelection==0) {weinmenge = "0.00";}
 if (cSelection==1) {weinmenge = "1.00";}		//0,1
 if (cSelection==2) {weinmenge = "2.00";}		//0,2
 if (cSelection==3) {weinmenge = "2.50";}       //0,25
 if (cSelection==4) {weinmenge = "4.00";}		//0,4
 if (cSelection==5) {weinmenge = "5.00";}		//0,5
 if (cSelection==6) {weinmenge = "6.00";}		//0,6
 if (cSelection==7) {weinmenge = "7.50";}	    //0,75
 if (cSelection==8) {weinmenge = "10.00";}		//1,0
 if (cSelection==9) {weinmenge = "12.00";}	    //1,2 

}


function getValue5()
{
 var dSelection = document.fusel.sprit.selectedIndex;
 if (dSelection==0) {sprit = "0.00";}
 if (dSelection==1) {sprit = "30.00";}		//30%
 if (dSelection==2) {sprit = "32.00";}		//32%
 if (dSelection==3) {sprit = "38.00";}		//38%
 if (dSelection==4) {sprit = "40.00";}		//40%
 if (dSelection==5) {sprit = "43.00";}		//43%
 if (dSelection==6) {sprit = "45.00";}		//45%

}


function getValue6()
{
 var eSelection = document.fusel.spritmenge.selectedIndex;
 if (eSelection==0) {spritmenge = "0.00";}
 if (eSelection==1) {spritmenge = "0.20";}	    //1 Schnaps
 if (eSelection==2) {spritmenge = "0.40";}	    //2 Schnaps
 if (eSelection==3) {spritmenge = "0.60";}	    //3 Schnaps
 if (eSelection==4) {spritmenge = "0.80";}	    //4 Schnaps
 if (eSelection==5) {spritmenge = "1.00";}		//5 Schnaps
 if (eSelection==6) {spritmenge = "1.50";}   	//150 ml
 if (eSelection==7) {spritmenge = "2.00";}		//200 ml
 if (eSelection==8) {spritmenge = "2.50";}	    //250 ml
 if (eSelection==9) {spritmenge = "3.00";}		//300 ml
  
}