sfHover = function() {
	var sfEls = document.getElementById("download_box").getElementsByTagName("INPUT");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onfocus=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onblur=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	if (document.getElementById("link_download")) {
		var sfEls = document.getElementById("link_download").getElementsByTagName("INPUT");
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onfocus=function() {
				this.className+=" sfhover";
			}
			sfEls[i].onblur=function() {
				this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			}
		}
	}
}

function search_check() {
	forma = document.search_box;
	site_selected = 0;
	for (i = 0; i < forma.elements.length; i++) {
		if (forma.elements[i].checked == true) {
			site_selected = 1;
			break
		}
    }
	if (site_selected == 1) {
		if(forma.search_string.value.length > 2) {
			ch('share_result', 0);
			ch('loading_page', 1);
			formObj.submit();
		} else {
			alert('Enter at least 3 characters to search.');
		}
	} else {
		alert('Please select at least 1 site.');
	}
	return false;
}

if (window.attachEvent) {
	window.attachEvent("onload", sfHover);
}