if ( screen.width == 640){
document.write(''); }
else if ( screen.width == 720){
document.write(''); }
else if ( screen.width == 800){
document.write(''); }
else if ( screen.width == 1024){
document.write(''); }
/*
else if ( screen.width == 1152){
document.write(''); }
*/
else {
document.write(''); }