#search_box_opt1{
position:absolute; 
left:0px; 
top:210px; 
text-align: center; 
height:footer-<length>; 
z-index:90000000000000;

}

.ff3_5 #search_box_opt1, .ff3 #search_box_opt1, .ff2 #search_box_opt1{

z-index:2147483646 !important;
}
	

#search_box_opt_reserv{
position:absolute; 
left:0; top:21px; 
text-align: center; 
width:100%; 
height:footer-<length>; 
z-index:10;

}