.makeTransparent{
opacity: .75; /* standard: ff gt 1.5, opera, safari */
-ms-filter: “alpha(opacity=75)”; /* ie 8 */
filter: alpha(opacity=75); /* ie lt 7 */
-khtml-opacity: .75; /* safari 1.x */
-moz-opacity: .75; /* ff lt 1.5, netscape */
}