/**
 *
 * Author: EC
 * Version: 1.0
 * Description: This JS provides image rollover function.
 *
 */

var ATR_NAME_ORIGINAL_SRC = "orisrc";

function imgSwap(elmImg, src) {    
    if(elmImg) {
        elmImg.setAttribute(ATR_NAME_ORIGINAL_SRC, elmImg.src);
        elmImg.src = src;
    }
}

function imgRestore(elmImg) {
    if(elmImg && elmImg.getAttribute(ATR_NAME_ORIGINAL_SRC)) {
        elmImg.src = elmImg.getAttribute(ATR_NAME_ORIGINAL_SRC);
        elmImg.setAttribute(ATR_NAME_ORIGINAL_SRC, "");
    }
}