var objPrefix='key';
var objIndex;
var objCount;

function switchKeyword(){
		document.getElementById(objPrefix+objIndex).style.display = "none";
		if (objIndex+1>objCount){
			objIndex=1;
		} else {
				objIndex++;
			}			
		document.getElementById(objPrefix+objIndex).style.display = "block";
		return false;
		
}
function loadIndex(liCount){
	objCount=liCount;
	objIndex=Math.floor(Math.random()*objCount+1);	
	for(c= 1;c<=objCount; c++) 
	{
		
		if (c==objIndex) {
			document.getElementById(objPrefix+c).style.display = "block";			
		}
		else document.getElementById(objPrefix+c).style.display = "none";
	}
	

	return false;
}