function gold2_check()

{

	var str = document.forms[0].elements[0].value;



	if(str == "1 3/4")

	{

		self.parent.top.location="gold3.html";

		return false;

	}	

	else

	{

		if(str == "2 1/8" || str == "3 1/4" || str == "2 3/4" || str == "1 7/8")

		{

			if(confirm("Maglev Input Warning:\nThere is a shorter route.  Click \"Ok\" to proceed anyway, or \"Cancel\" to input a new distance address.\n\nWarning: Taking a longer route can sometimes cause the Maglev to short out."))

			{

				self.parent.top.location="gold3.html";

				return false;

			}

		}

		else

		{

			return MaglevErrorCheck( str, 1.75);

		}

	}

}



function gold3_check()

{

	var str = document.forms[0].elements[0].value;

	

	if(str == "1 1/2")

	{

		self.parent.top.location="gold4.html";

		return false;

	}

	else

	{

		return MaglevErrorCheck( str, 1.5 );

	}

}



function gold4_check()

{

	var str=document.forms[0].elements[0].value;

	if(str == "3/4")

	{

		self.parent.top.location="gold5.html";

		return false;

	}

	else

	{

		return MaglevErrorCheck( str, 0.75 );

	}

	

}



function gold5_check()

{

	var str = document.forms[0].elements[0].value;

	if(str == "4 3/4")

	{

		self.parent.top.location="gold6.html";

		return false;

	}

	else

	{

		return MaglevErrorCheck( str, 4.75 );

	} 

}



function gold6_check()

{

	var str=document.forms[0].elements[0].value;

	if(str == "1 1/4")

	{

		self.parent.top.location="gold7.html";

		return false;

	}

	else

	{

		return MaglevErrorCheck( str, 1);

	}

}



function gold7_check()

{

	var str=document.forms[0].elements[0].value;

	if(str == "7/8")

	{	

		self.parent.top.location="gold8.html";

		return false;

	}

	else

	{

		return MaglevErrorCheck(str, 0.875);

	}

}



function gold8_check()

{

	var str=document.forms[0].elements[0].value;

	if(str=="1 31/32")

	{

		self.parent.top.location="gold_conflict.html";

		return false;

	}

	else

	{

		return MaglevErrorCheck(str, 1.96875);

	}

}



function gold_conflict_check()

{

	var str=document.forms[0].elements[0].value;

	if(str == "10")

	{

		self.parent.top.location="valor.html";

		return false;

	}

	else

	{

		alert("Ha Ha Ha Ha Ha! Your minuscule human cognition will never surpass my computational abilities!");

		return false;

	}

}



function MaglevErrorCheck( str, decimalAnswer )

{

	if(IsAFraction(str))

	{

		if(ParseFraction(str) == decimalAnswer)

		{

			alert("Maglev Input Error: \nThe Maglev requires fractions to be in reduced, mixed number form.");

		}

		else

		{

			alert("Maglev Input Error: \nThat Distance Address is either invalid, has already been accessed, is not active at this time, or is not a simplified mixed number.\n\nIn other words, it's the wrong answer.");

		}

	}

	else

	{

		alert("Maglev Input Error: \nThe Maglev only understands fractional notation.");

	}

	return false;

}





//Again, the fraction functions.

function IsAFraction( str )

{

	var isFraction=true;

	if( str.length == 0 )

		return false;



	for( var i = 0; i < str.length; i ++ )

	{

		if( !IsValidChar(str[i]) )

		{

			isFraction = false;

		}

	}

	return isFraction;

}



function IsValidChar( ch )

{

	return ( ch == 0 || ch == 1 || ch == 2 || ch == 3 || ch ==4 || ch ==5 || ch ==6 || ch ==7 || ch ==8 || ch ==9 || ch ==" " || ch =="/" );

}



function ParseFraction( frac )

{

	var toReturn;

	var i;

	for( i=0; i < frac.length && frac[i] != " "; i++ );

	

	toReturn =  eval (frac.substr(0, i));

	

	if(i < frac.length - 1) 

		toReturn += eval (frac.substr(i+1, frac.length));

	

	

	return toReturn;

}