preLoad = new Array();
for (i = 0; i < 3; i ++) {
	preLoad[i] = new Image();
}

preLoad[0].src = "http://www.carttemplates.com/mods/skin1/images/pos1.jpg";
preLoad[1].src = "http://www.carttemplates.com/mods/skin1/images/pos2.jpg";
preLoad[2].src = "http://www.carttemplates.com/mods/skin1/images/pos3.jpg";

function hideShow(block_name)
{
	blockCount=3;
	//currentBlockNumber=block_name.substr(10);
	for (i=1; i<=blockCount; i++ )
	{
		if (i!=block_name) {
			if (document.all) {
				document.all['tab' +i].style.display='none';
			}
			if (document.layers) {
				document.layers['tab' +i].style.display='none'; 
			}
			
			if (document.getElementById) {
				document.getElementById('tab' +i).style.display='none';
			}
		}
	}

	if (document.all)
	{
		document.all['tab' + block_name].style.display='block';
		document.all['tabs_header'].className= 'position' + block_name;			
	}
	else
	if (document.layers)
	{
		document.layers['tab' + block_name].display='block';  
		document.layers['tabs_header'].className='position' + block_name; 
		   
	}
	else
	if (document.getElementById)
	{
		document.getElementById('tab' + block_name).style.display='block'; 
		document.getElementById('tabs_header').className='position' + block_name; 
	}
}