function hidediv(){
	kk1.style.visibility="hidden";	
	kk2.style.visibility="hidden";	
	cc1.style.visibility="hidden";	
	cc2.style.visibility="hidden";	
}

function showdiv(divname){
	hidediv();

	var x, y;
	
	if (event != null) {
		x = event.clientX;
		y = event.clientY;
		x = document.body.scrollLeft + x;
		y = document.body.scrollTop + y;
		eval(divname+".style.pixelTop = y+7");	
		eval(divname+".style.pixelLeft = x+27") ;	
	}	

	if (eval(divname+".style.visibility=='visible'")) eval(divname+".style.visibility='hidden'");
	else eval(divname+".style.visibility='visible'");	

}