// JavaScript Document
var r_tab_available = true;
var l_tab_available = true;
var r_counter = 0;
var l_counter = 0;


function tabHandler(whichtab, action)
{
	if(whichtab == 'right' && r_tab_available == true)
	{
		/*if(action == 'shrink')
		{
			r_tab_available = false;
			shrinkRight();
		}
		if(action == 'grow')
		{
			r_tab_available = false;
			growRight();
		}*/
		r_tab_available = false;
		right();
	}
	else
	if(whichtab == 'left' && l_tab_available == true)
	{
		/*if(action == 'shrink')
		{
			l_tab_available = false;
			shrinkLeft();
		}
		if(action == 'grow')
		{
			l_tab_available = false;
			growLeft();			
		}*/	
		l_tab_available = false;
		left();
	}
	else var nothing = "";
}

function right()
{
	if(r_counter<115)
	{
		var tab_height = 18 + (2*r_counter);
		var set_height = tab_height + 'px';
		document.getElementById('right_tab').style.height=set_height;
		setTimeout('r_counter += 4; growRight();',5);	
	}
	else if(r_counter>0)
	{
		var tab_height = 18 + (2*r_counter);
		var set_height = tab_height + 'px';
		document.getElementById('right_tab').style.height=set_height;
		setTimeout('r_counter -= 4; shrinkRight();',5);
	}	
}

function left()
{
	if(l_counter<115)
	{
		var tab_height = 18 + (2*l_counter);
		var set_height = tab_height + 'px';
		document.getElementById('left_tab').style.height=set_height;
		setTimeout('l_counter += 4; growLeft();',5);	
	}
	else if(l_counter>0)
	{
		var tab_height = 18 + (2*l_counter);
		var set_height = tab_height + 'px';
		document.getElementById('left_tab').style.height=set_height;
		setTimeout('l_counter -= 4; shrinkLeft();',5);
	}
}



function growRight()
{
	if(r_counter<115)
	{
		var tab_height = 18 + (2*r_counter);
		var set_height = tab_height + 'px';
		document.getElementById('right_tab').style.height=set_height;
		setTimeout('r_counter += 4; growRight();',5);	
	}
	else 
	{
		document.getElementById('r_arrow').src="images/d_arrow.jpg";
		r_tab_available = true;
	}
}

function shrinkRight()
{
	if(r_counter>0)
	{
		var tab_height = 18 + (2*r_counter);
		var set_height = tab_height + 'px';
		document.getElementById('right_tab').style.height=set_height;
		setTimeout('r_counter -= 4; shrinkRight();',5);
	}
	else 
	{
		document.getElementById('r_arrow').src="images/u_arrow.jpg";
		r_tab_available = true;
	}
}

function growLeft()
{
	if(l_counter<115)
	{
		var tab_height = 18 + (2*l_counter);
		var set_height = tab_height + 'px';
		document.getElementById('left_tab').style.height=set_height;
		setTimeout('l_counter += 4; growLeft();',5);
	}
	else 
	{
		document.getElementById('l_arrow').src="images/d_arrow.jpg";
		l_tab_available = true;
	}
}

function shrinkLeft()
{
	if(l_counter>0)
	{
		var tab_height = 18 + (2*l_counter);
		var set_height = tab_height + 'px';
		document.getElementById('left_tab').style.height=set_height;
		setTimeout('l_counter -= 4; shrinkLeft();',5);
	}
	else 
	{
		document.getElementById('l_arrow').src="images/u_arrow.jpg";
		l_tab_available = true;
	}
}