function over( id ) {
	var i_s = $( id ).src.split('.');
	var f = i_s.length-2;
	var regex = /_ov$/;

	if( i_s[f].match( regex ) ) {
		i_s[f] = i_s[f].replace( regex, '' );
	} else {
		i_s[f] = i_s[f] + '_ov';
	}
	
	var n_i_s = i_s.join( '.' );
	
	try {
		$( id ).src = n_i_s;
	} catch( error ) {
		// Error
	}
}

/* For IE7 */

function scroll_height( id ) {
	
	var height = 413 - 52 - $( id ).offsetHeight;
	
	if ( $( 'scroll_product_brand_head' ) ) {
		height = height - $( 'scroll_product_brand_head' ).offsetHeight + 'px';
	} else {
		height = height + 'px';
	}
	
	return height;
	
}

function changeImage ( id, src, width, height ) {
	
	var oImage = $(id);
	oImage.src = src;
	oImage.style.width = width;
	oImage.style.height = height;
	
	return false;
}