function changeIndex(crl) {
    document.getElementById(crl).style.zIndex=10;
    }

function changeIndexBack(crl) {
    document.getElementById(crl).style.zIndex=5;
    }

	function swapImg() {
    document.getElementById('share-img-id').src = '/images/common/share-button-over.png';
    }

	function swapImgBack(crl) {
    document.getElementById('share-img-id').src = '/images/common/share-button.png';
    }