// JavaScript Document
function defineSize()
{ 
	elem = document.getElementById("main_tab");	 
	var widht_tab = elem.offsetWidth;	
	if (widht_tab >= 1067) 
	{
		document.getElementById("div_all").style.width = 1058 + 'px'; 
		document.getElementById("div_all2").style.width = 1058 + 'px'; 		
	}
	if (widht_tab <=957)
	{
		document.getElementById("div_all").style.width = 957 + 'px'; 
	}	
}