Readmore doesnot work

Help me!!!
I use idream themes.I wanna readmore in pages but not work as my desire complete contents.
This functions already exists in my functions.php but does not work.

function new_excerpt_more($post) {
	return '<a href="'. get_permalink($post->ID) . '" class="searchmore">' . 'Read More...' . '</a><div class="clr"></div>';
}
add_filter('excerpt_more', 'new_excerpt_more');

function new_excerpt_length($length) {
	return 20;
}
add_filter('excerpt_length', 'new_excerpt_length');

Please help me guys!!!