function toggle_hover(image_name)
{
	var location = document.location.href;
	var lastName = location.split('/').pop();
	var extn = lastName.split('.').pop();
	var fileName = lastName.replace('.' + extn, '');
	var a_link;
	switch(fileName)
	{
		case 'index':
		case 'overview':
		case 'automobile':
		case 'clients':
		case 'track':
		case 'network':
		case 'contact':
			a_link = document.getElementById(fileName);
			a_link.style.background = 'url(Images/' + image_name +'.jpg) repeat-x';
		break;
		
		case 'motto':
		case 'vision':
		case 'awards':
			a_link = document.getElementById('overview');
			a_link.style.background = 'url(Images/' + image_name +'.jpg) repeat-x';	
		break;
		
		case 'transport':
		case 'day':
		case '3pl':
		case 'warehouse':
		case 'project':
		case 'freight':
		case 'air':
			a_link = document.getElementById('automobile');
			a_link.style.background = 'url(Images/' + image_name +'.jpg) repeat-x';
		break;
		
		default:
			a_link = document.getElementById('track');
			a_link.style.background = 'url(Images/' + image_name +'.jpg) repeat-x';
		break;
	}
}

function get_fileName()
{
	var parent_div = document.getElementById('index');
	var child_tags = parent_div.parentNode.getElementsByTagName('a');
	for(i=1; i<7; i++)
	{
		if((i != 1)&&(i != 2)&&(i != 3))
		{
			child_tags.item(i).onmouseover  = function()
			{
				this.style.background = 'url(Images/links_hover.jpg) repeat-x';
				//toggle_hover('links');
			}
			child_tags.item(i).onmouseout  = function()
			{
				this.style.background = 'url(Images/links.jpg) repeat-x';
				//toggle_hover('links_hover');
			}
		}
	}
}


function hide_div(myDiv, parent_div, selected_div_no)
{
	var div = document.getElementById(myDiv);
	div.style.display='none';
	var parent_div = document.getElementById(parent_div);
	parent_div.className = 'links';
	var child_tags = parent_div.parentNode.getElementsByTagName('a');
	child_tags.item(selected_div_no).style.background = 'url(Images/links.jpg) repeat-x';
	//toggle_hover('links_hover');
}
function show_div(myDiv, parent_div, selected_div_no)
{
	var div = document.getElementById(myDiv);
	div.style.display='block';
	var parent_div = document.getElementById(parent_div);
	var child_tags = parent_div.parentNode.getElementsByTagName('a');
		//alert(child_tags.item(0).className);
	for(i=1; i<7; i++)
	{
		child_tags.item(i).style.background = 'url(Images/links.jpg) repeat-x';		
		child_tags.item(selected_div_no).style.background = 'url(Images/links_hover.jpg) repeat-x';
	}
	
	//toggle_hover('links');
}