var work_all = new Array('wk_thomas', 'wk_pe_tocuri', 'wk_gofresh', 'wk_fun_spirit', 'wk_dero', 'wk_sunsilk', 'wk_samsung', 'wk_tvsamsung', 'wk_montanfest', 'wk_upc', 'wk_peugeot308', 'wk_radiocom', 'wk_coccolino', 'wk_beauty', 'wk_ursusfreetrack', 'wk_metropolis', 'wk_startinternship', 'wk_citroen', 'wk_arka', 'wk_delaco', 'wk_btp', 'wk_hochland', 'wk_cosmote', 'wk_hyundai', 'wk_ikea');
var work_webdev = new Array('wk_thomas', 'wk_pe_tocuri', 'wk_gofresh', 'wk_fun_spirit', 'wk_dero', 'wk_sunsilk', 'wk_samsung', 'wk_tvsamsung', 'wk_upc', 'wk_coccolino', 'wk_beauty', 'wk_ursusfreetrack', 'wk_metropolis', 'wk_startinternship', 'wk_arka', 'wk_delaco', 'wk_btp', 'wk_hochland');
var work_seo = new Array('wk_pe_tocuri', 'wk_montanfest', 'wk_metropolis', 'wk_arka', 'wk_hochland');
var work_web_design = new Array('wk_thomas', 'wk_montanfest', 'wk_upc', 'wk_ursusfreetrack', 'wk_metropolis', 'wk_startinternship', 'wk_arka', 'wk_btp', 'wk_hochland', 'wk_cosmote', 'wk_ikea');
var work_banner_design = new Array('wk_samsung', 'wk_tvsamsung', 'wk_peugeot308', 'wk_radiocom', 'wk_citroen', 'wk_hyundai');
var work_online_entertainment = new Array('wk_upc');

function hide_all_work()
{
	for (i=0;i<work_all.length;i++)
	{
		document.getElementById(work_all[i]).style.display='none';
	}	
}

function show_all_work()
{
	for (i=0;i<work_all.length;i++)
	{
		document.getElementById(work_all[i]).style.display='block';
	}	
}

function show_work(what)
{
	var i;
	
	if (what=='all')
	{
		show_all_work();
	}
	else if (what=='webdev')
	{
		hide_all_work();
		for (i=0;i<work_webdev.length;i++)
		{
			document.getElementById(work_webdev[i]).style.display='block';
		}	
	}
	else if (what=='webdesign')
	{
		hide_all_work();
		for (i=0;i<work_web_design.length;i++)
		{
			document.getElementById(work_web_design[i]).style.display='block';
		}	
	}
	else if (what=='seo')
	{
		hide_all_work();
		for (i=0;i<work_seo.length;i++)
		{
			document.getElementById(work_seo[i]).style.display='block';
		}	
	}
	else if (what=='bannerdesign')
	{
		hide_all_work();
		for (i=0;i<work_banner_design.length;i++)
		{
			document.getElementById(work_banner_design[i]).style.display='block';
		}	
	}
else if (what=='onlineentertainment')
	{
		hide_all_work();
		for (i=0;i<work_online_entertainment.length;i++)
		{
			document.getElementById(work_online_entertainment[i]).style.display='block';
		}	
	}
}