var nutCalc = {
getURLParam:function(name,numeric)
{	name=name.replace(/[\[]/,'\\\[').replace(/[\]]/,'\\\]');
	var regex=new RegExp('[\\?&]'+name+'=([^&#]*)');
	var value=regex.exec(window.location.href);
	if(value==null&&numeric)
		return 0;
	else if(value==null)
		return '';
	else
		return value[1];
},

calculateResults:function()
{	var results=new Array();

	var gender=this.getURLParam('gender',0);
	if(gender!='boy'&&gender!='girl')
	{	gender='girl';
	}

	var age=Math.max(this.getURLParam('age',1),1);
	var servings=[this.getURLParam('green',1),this.getURLParam('orange',1),this.getURLParam('starch',1),this.getURLParam('beans',1),this.getURLParam('other',1)];

	var minServings=new Object();
	minServings['boy']=new Object();
	minServings['boy']['3']=[2,1,3,1,8];
	minServings['boy']['8']=[3,2,5,2,9];
	minServings['boy']['13']=[6,4,6,6,13];
	minServings['boy']['18']=[6,4,6,12,14];
	minServings['girl']=new Object();
	minServings['girl']['3']=[2,1,3,1,8];
	minServings['girl']['8']=[3,2,5,2,9];
	minServings['girl']['13']=[4,3,5,5,11];
	minServings['girl']['18']=[6,4,6,6,13];

	var ageKey=8;
	for(var ageMax in minServings[gender])
	{	if(age<=ageMax)
		{	ageKey=ageMax;
			break;
		}
	}

	for(i=0;i<servings.length;i++)
	{	results[i]=(servings[i]>=minServings[gender][ageKey][i]);
	}

	return results;
},

displayResult:function(result,vegetableType,goodResult,badResult)
{	document.write('<h1>'+vegetableType+' = ');
	if(result)
	{	document.write('<span class="good">enough</span></h1>');
		document.write('<p>'+goodResult+'</p>');
	}
	else
	{	document.write('<span class="bad">not enough</span></h1>');
		document.write('<p>'+badResult+'</p>');
	}
}
};