function priTab(newTabName) {
	newTab = document.getElementById(newTabName);
	curTabName = document.getElementById('cur_area').value;
	curTab = document.getElementById(curTabName);
	document.getElementById('pri_tab_' + curTabName).setAttribute(classText, 'prices_t_u');
	document.getElementById('pri_tab_' + newTabName).setAttribute(classText, 'prices_t_s');
	curTab.setAttribute(classText, 'prnt_prices_hsec');
	newTab.setAttribute(classText, 'prnt_prices_tabview');
	document.getElementById('cur_area').value = newTabName;
}