function sortNumber(a, b){
	return b - a;
}

function BoxHeight(id1, id2, id3){
	box1=document.getElementById(id1);
	box2=document.getElementById(id2);
	box3=document.getElementById(id3);
	
	height1= box1.offsetHeight;
	height2=box2.offsetHeight;
	height3=box3.offsetHeight;
	
	var maxHeight;
	var offset;	
	
	offset=20
	
	var myArray= new Array();
	myArray[0] = height1;
	myArray[1] = height2;
	myArray[2] = height3;
	
	myArray = myArray.sort(sortNumber);
	maxHeight = myArray[0];
	
	box1.style.height= maxHeight + offset;
	box2.style.height= maxHeight + offset;
	box3.style.height= maxHeight + offset;
}

function TwoBoxHeight(id1, id2){
	box1=document.getElementById(id1);
	box2=document.getElementById(id2);
	
	height1= box1.offsetHeight;
	height2=box2.offsetHeight;
	
	var maxHeight;
	var offset;	
	
	offset=20
	
	var myArray= new Array();
	myArray[0] = height1;
	myArray[1] = height2;
	
	myArray = myArray.sort(sortNumber);
	maxHeight = myArray[0];
	
	box1.style.height= maxHeight + offset;
	box2.style.height= maxHeight + offset;
}