// Resizable textareas (fun!)

function taStartDrag()
{
	obj = this;
	current_ta = obj.previousSibling;
	startmouseX = mouseX;
	startmouseY = mouseY;
	startScroll = getScrollOffset();
	is_dragging = true;
	startwidth  = getElementWidth(current_ta.id);
	startheight = getElementHeight(current_ta.id);
	var body = document.getElementsByTagName('body');
	body = body[0];
	body.style.cursor = 's-resize';
}
function taInDrag()
{
	if(!is_dragging) return;
	cw = startwidth;
	ch = startheight;
	mx = mouseX;
	my = mouseY + getScrollOffset() - startScroll;
	ch = -6 + ch + ( my - startmouseY );
	current_ta.style.height = ch+'px';
	if(do_width)
	{
		current_ta.style.width  = mx+'px';
		current_ta.nextSibling.style.width  = mx+'px';
	}
}
function taCloseDrag()
{
	is_dragging = false;
	current_ta = false;
	body = document.getElementsByTagName('body');
	body = body[0];
	body.style.cursor = 'default';
}

var grippied_textareas = new Array();

function initTextareas()
{
	var textareas = document.getElementsByTagName('textarea');
	for (i = 0;i < textareas.length;i++)
	{
		if(!textareas[i].id)
			textareas[i].id = 'autoTextArea_'+Math.floor(Math.random()*100000);
		cta = textareas[i];
		var divchk = ( in_array(cta.id, grippied_textareas) ) ? false : true;
		if(divchk)
		{
			grippied_textareas.push(cta.id);
			makeGrippy(cta);
		}
	}
}

function makeGrippy(cta)
{
	var thediv = document.createElement('div');
	thediv.style.backgroundColor = '#ceceed';
	thediv.style.backgroundImage = 'url('+scriptPath+'/images/grippy.gif)';
	thediv.style.backgroundPosition = 'bottom right';
	thediv.style.backgroundRepeat = 'no-repeat';
	thediv.style.width = getElementWidth(cta.id)+'px';
	thediv.style.cursor = 's-resize';
	thediv.style.className = 'ThisIsATextareaGrippy';
	thediv.id = 'autoGrippy_'+Math.floor(Math.random()*100000);
	thediv.style.height = '12px';
	thediv.onmousedown = taStartDrag;
	thediv.style.border = '1px solid #0000A0';
	if(cta.style.marginBottom)
	{
		thediv.style.marginBottom = cta.style.marginBottom;
		cta.style.marginBottom = '0';
	}
	if(cta.style.marginLeft)
	{
		thediv.style.marginLeft = cta.style.marginLeft;
	}
	if(cta.style.marginRight)
	{
		thediv.style.marginRight = cta.style.marginRight;
	}
	document.onmouseup = taCloseDrag;
	if(cta.nextSibling) cta.parentNode.insertBefore(thediv, cta.nextSibling);
	else cta.parentNode.appendChild(thediv);
}