function show_salary(salary_id)
{
	var tr_top = document.getElementById('salary_'+salary_id+'_top');
	var tr_bottom = document.getElementById('salary_'+salary_id+'_bottom');
	
	tr_top.className = "mouseover";
	tr_bottom.className = "mouseover";
}

function hide_salary(salary_id)
{
	var tr_top = document.getElementById('salary_'+salary_id+'_top');
	var tr_bottom = document.getElementById('salary_'+salary_id+'_bottom');
	
	tr_top.className = "";
	tr_bottom.className = "";
}