function toggleSelect(showHideDiv, switchImgTag) {
    var ele = document.getElementById(showHideDiv);
    var imageEle = document.getElementById(switchImgTag);
	if((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)) || (navigator.userAgent.match(/Android/i)) || (navigator.userAgent.match(/Blackberry/i))) 
	{  // mobile version
			if(ele.style.display == "block") {
			ele.style.display = "none";
			imageEle.src = '/images/mobile/minus.png';
			}
			else {
				ele.style.display = "block";
				imageEle.src = '/images/mobile/plus.png';
			}
	}  // full site version
	else {
			if(ele.style.display == "block") {
				ele.style.display = "none";
				imageEle.src = '/images/search_more.gif';
			}
			else {
				ele.style.display = "block";
				imageEle.src = '/images/search_less.gif';
			}
	}
}