function gender(strGender) {
if (strGender == 'male'){
change('women','setCSS','display','none');
change('men','setCSS','display','inline');
change('option_button_2','setCSS','backgroundImage','url(images/btn-men_on.png)');
change('option_button_1','setCSS','backgroundImage','url(images/btn-women.png)');
}
else if (strGender == 'female'){
change('women','setCSS','display','inline');
change('men','setCSS','display','none');
change('option_button_2','setCSS','backgroundImage','url(images/btn-men.png)');
change('option_button_1','setCSS','backgroundImage','url(images/btn-women_on.png)');
}
}