function findPos(obj)
{
	var curleft = curtop = 0;
	if (obj.offsetParent)
	{
		curleft = obj.offsetLeft;
		curtop = obj.offsetTop;
		while (obj = obj.offsetParent)
		{
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		}
	}
	return [curleft,curtop];
}
var scLastOver=null;
function highlight(id)
{
	if(scLastOver!=null&&scLastOver!=id) dehighlight(scLastOver);
	var tr = document.getElementById('BodyPartTable').rows[id];
	var div1 = tr.cells[0].childNodes[0]; 
	var div2 = tr.cells[0].childNodes[1]; 
	div1.style.display = 'none';
	div2.style.display = 'block';
	var bodyPart = document.getElementById('BodyPart' + id);
	if(bodyPart != null)
	{
		bodyPart.style.display = 'block';
		var posTr = findPos(tr);
		var posBodyPart = findPos(bodyPart);
		var trHeight = 0;
		if(id>0)
		{
			trHeight = posTr[1] - findPos(document.getElementById('BodyPartTable').rows[id-1])[1];
		}
		else
		{
			trHeight = findPos(document.getElementById('BodyPartTable').rows[1])[1] - posTr[1];
		}
		var x1 = posBodyPart[0] + bodyPart.childNodes[0].width/2;
		var y1 = posBodyPart[1] +  bodyPart.childNodes[0].height/2;
		var x2 = posTr[0]-2;
		var y2 = posTr[1] + trHeight/2;

		var pt = false;
		var div = document.getElementById('ScLineDiv');
		if(div == null)
		{
			pt = true;
		}
		
		if(pt)
		{
			if(id==0)      { y1-=152; x1+=2; }
			else if(id==1) { y1-=141; }
			else if(id==2) { y1-=92; }
		}
		else
		{
			var wRel = bodyPart.childNodes[0].width;
			var hRel = bodyPart.childNodes[0].height;
			if(id==0)      { y1-=(144*hRel)/317; }
			else if(id==1) { y1-=(140*hRel)/317; }
			else if(id==2) { y1-=(127*hRel)/317; }
			else if(id==3) { y1-=(88*hRel)/317; }
			else if(id==4) { y1-=(70*hRel)/317; x1+=(35*wRel)/126; }
			else if(id==5) { y1-=(35*hRel)/317; }
			else if(id==6) { y1+=(58*hRel)/317; x1+=(15*wRel)/126; }
			else if(id==7) { y1-=(25*hRel)/317; x1+=(35*wRel)/126; }
		}
		drawLine(x1,y1,x2,y2);
	}
	scLastOver=id;
}
function dehighlight(id)
{
	var tr = document.getElementById('BodyPartTable').rows[id];
	var div1 = tr.cells[0].childNodes[0]; 
	var div2 = tr.cells[0].childNodes[1]; 
	div2.style.display = 'none';
	div1.style.display = 'block';
	var bodyPart = document.getElementById('BodyPart' + id);
	if(bodyPart != null)
	{
		bodyPart.style.display = 'none';
		var scLineDiv = document.getElementById('ScLineDiv');
		if(scLineDiv == null)
		{
			scLineDiv = document.getElementById('ScLineDivPt');
		}
		scLineDiv.style.display = 'none';
	}
	if(id==scLastOver) scLastOver=null;
}
function drawLine(x1,y1,x2,y2)
{
	var top = true;
	if(x1>x2)
	{
		var a = x1;
		x1 = x2;
		x2 = a;
	}
	if(y1>y2)
	{
		var a = y1;
		y1 = y2;
		y2 = a;
		top = false;
	}
	var pt = false;
	var div = document.getElementById('ScLineDiv');
	if(div == null)
	{
		div = document.getElementById('ScLineDivPt');
		pt = true;
	}
	var pos = findPos(div.parentNode);
	div.style.left = '' + x1-pos[0] + 'px';
	div.style.top = '' + y1-pos[1] + 'px';
	var table = div.childNodes[0];
	table.setAttribute('width', x2-x1+1);
	table.setAttribute('height', y2-y1+1);
	var td1 = table.rows[0].cells[0];
	var td2 = table.rows[0].cells[1];
	if(pt)
	{
		if(top)
		{
			td1.style.borderTop = '1px solid #2490b6';
			td1.style.borderBottom = '0px';
			td1.style.borderLeft = '0px';
			td1.childNodes[0].style.display = 'block';
			td2.style.borderTop = '0px';
			td2.style.borderBottom = '1px solid #2490b6';
			td2.style.borderLeft = '1px solid #2490b6';
		}
		else //child
		{
			td1.style.borderTop = '1px solid #2490b6';
			td1.style.borderBottom = '0px';
			td1.style.borderLeft = '1px solid #2490b6';
			td1.childNodes[0].style.display = 'none';
			td2.style.borderTop = '1px solid #2490b6';
			td2.style.borderBottom = '0px';
			td2.style.borderLeft = '0px';
		}
	}
	else
	{
		if(top)
		{
			td1.style.borderTop = '1px solid #2490b6';
			td1.style.borderBottom = '0px';
			td2.style.borderBottom = '1px solid #2490b6';
			td2.style.borderTop = '0px';
		}
		else
		{
			td1.style.borderBottom = '1px solid #2490b6';
			td1.style.borderTop = '0px';
			td2.style.borderTop = '1px solid #2490b6';
			td2.style.borderBottom = '0px';
		}
	}
	div.style.display = 'block';
}