function LatinToArabic()
	{
		theForm = self.document.input;
		theValue = theForm.latin.value;
		
		theNumber = 0;
		theTempValue = 0;
		theNewValue = 0;
		
		for(i=0;i<theValue.length;i++)
		{
			switch (theValue[i])
			{
				case 'M': theNewValue = 1000; break;
				case 'D': theNewValue = 500; break;
				case 'C': theNewValue = 100; break;
				case 'L': theNewValue = 50; break;
				case 'X': theNewValue = 10; break;
				case 'V': theNewValue = 5; break;
				case 'I': theNewValue = 1; break;
				default:
					alert('Falsche Zahlzeichen verwendet!');
					return;
				
			}	// switch
			
			if (theTempValue == 0)
				{}
			else if (theTempValue >= theNewValue)
			{
				isMore = (theTempValue == theNewValue);				
				theNumber = theNumber + theTempValue;
			}	// else if
			else if (isMore)
			{
				alert('Falsche Zahlzeichen verwendet!');
				return;
			}	// else if
			else						
				theNumber = theNumber - theTempValue;
				
			theTempValue = theNewValue;

		}	// for
		
		theForm.arabic.value = theNumber + theTempValue;
	}	// LatinToArabic

	function ArabicToLatin()
	{
		theForm = self.document.input;
		x = parseInt(theForm.arabic.value);
		
		if ((x < 1)||(x >= 4000))
		{
			alert('Bitte nur Zahlen zwischen 0 und 4000 eingeben!');
			return;
		}	// if
		
		the1000er = Math.floor(x/1000);
		the100er = Math.floor((x%1000)/100);
		the10er = Math.floor((x%100)/10);
		the1er = x%10;
		
		switch(the1000er)
		{
			case 1: theNumber = "M"; break;
			case 2: theNumber = "MM"; break;
			case 3: theNumber = "MMM"; break;
			default: theNumber = ""; break;
		}	// switch

		switch(the100er)
		{
			case 1: theNumber += "C"; break;
			case 2: theNumber += "CC"; break;
			case 3: theNumber += "CCC"; break;
			case 4: theNumber += "CD"; break;
			case 5: theNumber += "D"; break;
			case 6: theNumber += "DC"; break;
			case 7: theNumber += "DCC"; break;
			case 8: theNumber += "DCCC"; break;
			case 9: theNumber += "CM"; break;
		}	// switch

		switch(the10er)
		{
			case 1: theNumber += "X"; break;
			case 2: theNumber += "XX"; break;
			case 3: theNumber += "XXX"; break;
			case 4: theNumber += "XL"; break;
			case 5: theNumber += "L"; break;
			case 6: theNumber += "LX"; break;
			case 7: theNumber += "LXX"; break;
			case 8: theNumber += "LXXX"; break;
			case 9: theNumber += "XC"; break;
		}	// switch
		
		switch(the1er)
		{
			case 1: theNumber += "I"; break;
			case 2: theNumber += "II"; break;
			case 3: theNumber += "III"; break;
			case 4: theNumber += "IV"; break;
			case 5: theNumber += "V"; break;
			case 6: theNumber += "VI"; break;
			case 7: theNumber += "VII"; break;
			case 8: theNumber += "VIII"; break;
			case 9: theNumber += "IX"; break;
		}	// switch
		
		theForm.latin.value = theNumber;		
	}	// ArabicToLatin