var random0='<img src="../img/t_02_1.gif" width="168" height="30" name="air" alt="airport" border="0">';var random1='<img src="../img/t_02_2.gif" width="168" height="30" name="air" alt="airport" border="0">';var random2='<img src="../img/t_02_3.gif" width="168" height="30" name="air" alt="airport" border="0">';var random3='<img src="../img/t_02_4.gif" width="168" height="30" name="air" alt="airport" border="0">';function Ram(n){	if(n<=0.25)document.write(random0);	else{if(n<=0.5)document.write(random1);		else{if(n<=0.75)document.write(random2);			else{if(n<=1)document.write(random3);			}		}	}}