function expand(id){
	/*Expand the menu container*/
	document.getElementById(id).style.height='160px';
	
	/*master_menu is present*/
	if(document.getElementById('master_menu')){
		/*set container width to 600px*/
		document.getElementById(id).style.width='600px';
		/*then make master_menu visible*/
		document.getElementById('master_menu').style.display='block';
	}
	/*master_menu is not present*/
	else{
		/*set container width to 300px;*/
		document.getElementById(id).style.width='300px';
	}
}

function collaps(id){
	/*master_menu is present*/
	if(document.getElementById('master_menu')){
		/*hide master_menu first*/
		document.getElementById('master_menu').style.display='none';
	}
	/*shrink width and height*/
	document.getElementById(id).style.width='300px';
	document.getElementById(id).style.height='50px';
}