// JavaScript Document

res_active_open=false;
res_active_close=false;
res_height=60;
res_minimal=60;
res_maximal=150;
res_objekt="start_balken";
res_step_open=4;
res_step_close=1;

/* Funktion öffnet Objekt */

function res_increase(first){
	
	if (first!=""){
		res_active_open=true;
		res_active_close=false;
	}
	if (res_active_open==true){
		if (res_height<(res_maximal-res_step_open)){
			res_height=res_height+res_step_open;
			document.getElementById(res_objekt).style.height=res_height+'px';
			window.setTimeout('res_increase("")',1);
		}	
		else
		{
			document.getElementById(res_objekt).style.height=res_maximal+'px';
			res_active_open=false;
		}
	}
}


/* Funktion verkleinert Objekt */

function res_decrease(first){
	if (first!=""){
		res_active_close=true;
		res_active_open=false;
	}	
	if (res_active_close==true){
		if (res_height>res_minimal){
			res_height=res_height-res_step_close;
			document.getElementById(res_objekt).style.height=res_height+'px';
			window.setTimeout('res_decrease("")',1);
		}	
		else
		{
			document.getElementById(res_objekt).style.height=res_minimal+'px';
			res_active_close=false;
		}
	}
}