ÿþfunction ConvertToDecimalDegree(DDMM)

{

    

	var degrees    = parseInt(DDMM);

	var tempMinutes = DDMM - degrees;

	var minutes    = parseInt(tempMinutes * 100);

	var seconds    = 0;

	var decDegrees = 0.0;	



	if(degrees < 0.0)

	{

		alert('The degrees should be expressed\nwith a zero or a positive number.');



		return;

	}



	if(minutes < 0.0)

	{

		alert('The minutes should be expressed\nwith a zero or a positive number.');



		return;

	}



	if(seconds < 0.0)

	{

		alert('The seconds should be expressed\nwith a zero or a positive number.');



		return;

	}



	if(degrees != Math.floor(degrees))

	{

		alert('The degrees should be a number.\nThat number should have no decimal.');



		return;

	}



	if(minutes != Math.floor(minutes))

	{

		alert('The minutes should be a number.\nThat number should have no decimal.');



		return;

	}



	if(seconds != Math.floor(seconds))

	{

		alert('The seconds should be a number.\nThat number should have no decimal.');



		return;

	}



	if(degrees >= 360.0)

	{

		alert('The degrees should be less than 360.');

		

		return;

	}



	if(minutes >= 60.0)

	{

		alert('The minutes should be less than 60.');

		

		return;

	}



	if(seconds >= 60.0)

	{

		alert('The seconds should be less than 60.');



		return;

	}



	

	decDegrees = degrees + (minutes * (1.0 / 60.0)) + (seconds * (1.0 / 3600.0));



	return RoundNumber(decDegrees,2);

}



function RoundNumber(num, dec) {

	var result = Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);

	return result;

}