function beginSelect(elem){
	if(elem.className == "ssbtn"){
		elem.className = "ssbtn btnhover"
		elem.onmouseup = function(){
			this.className = "ssbtn"
		}
	}
	var ul = elem.parentNode.parentNode;
	var li = ul.getElementsByTagName("li");
	var selectArea = li[li.length-1];
	if(selectArea.style.display == "block"){
		selectArea.style.display = "none";
	}
	else{
		selectArea.style.display = "block";
		mouseoverBg(selectArea);
	}
}
function mouseoverBg(elem1){
	var input = elem1.parentNode.getElementsByTagName("input")[0];
	var p = elem1.getElementsByTagName("p");
	var pLength = p.length;
	for(var i = 0; i < pLength; i++){
		p[i].onmouseover = showBg;
		p[i].onmouseout = showBg;
		p[i].onclick = postText;
	}
	function showBg(){
		this.className == "hover"?this.className = " ":this.className = "hover";
	}
	function postText(){
		var selected = this.innerHTML;
		input.setAttribute("value",selected);
		elem1.style.display = "none";
	}
}