var imageHeader = new Array();
var imageHeaderObj = new Image();

imageHeader.push('/images/Themes/CHA/header/logo-vaccines-sprite.gif');
imageHeader.push('/images/Themes/CHA/header/logo-sprite.gif');
imageHeader.push('/images/Themes/CHA/header/logo-about-sprite.gif');
imageHeader.push('/images/Themes/CHA/header/logo-network-sprite.gif');
imageHeader.push('/images/Themes/CHA/header/logo-supplies-sprite.gif');
imageHeader.push('/images/Themes/CHA/header/diagonal-wedge_sidebar.gif');
imageHeader.push('/images/Themes/CHA/icons/email.gif');
imageHeader.push('/images/Themes/CHA/icons/phone.gif');



for (i = 0; i <= imageHeader.length - 1; i++) {
    imageHeaderObj.src = imageHeader[i];
}