function showShare(shareDivID){
	document.getElementById(shareDivID).style.display = 'block';
}



function showHideAdserveDivs(adserveDivId){
	if (document.getElementById(adserveDivId).hasChildNodes()){
		document.getElementById(adserveDivId).style.display = '';
	} else {
		document.getElementById(adserveDivId).style.display = 'none';
	}
}





function resize(obj) {
	if (obj.offsetWidth > obj.offsetHeight){ //landscape
		obj.style.height = '100px';
		obj.style.marginLeft = "-" + (obj.offsetWidth*(100/obj.offsetHeight)-100)/2 + 'px';
//		alert((obj.offsetWidth*(100/obj.offsetHeight)-100)/2);
	} else { //portrait
		obj.style.width = '100px';
		obj.style.marginTop = "-" + (obj.offsetHeight*(100/obj.offsetWidth)-100)/2 + 'px';
//		alert((obj.offsetHeight*(100/obj.offsetWidth)-100)/2);
	}
}
function getImgs(id){
	var obj = document.getElementById(id);
	var objsImgs = obj.getElementsByTagName("img"); 
	for (var i=0; i<objsImgs.length; i++){
		resize(objsImgs[i]);
	}
}