function open_select(e,id,pos_y){
	
	obj=document.getElementById(id);
	
	if (obj.style.display == 'inline') {
		
		close_select(obj.id);
		
	} else {
		
		close_select('all');
	
		mouse_y = document.all ? e.clientY + document.body.scrollTop: e.pageY-self.pageYOffset;
	
		if (self.innerHeight){
			win_height = self.innerHeight;
		}
		else if (document.documentElement && document.documentElement.clientHeight){
			win_height = document.documentElement.clientHeight;
		}
		else if (document.body){
			win_height = document.body.clientHeight;
		}
	
		obj.style.top=pos_y+'px'; 
		if((mouse_y+116)>win_height){
			obj.style.top=(pos_y-139)+'px'; 
		}	
		obj.style.display='inline'; 
	
		//im IE Focus auf DIV legen
		if(document.all){ 
			obj.focus();
		}
		if (document.getElementById('shutter')) {
			document.getElementById("shutter").style.display="inline";
		}
		
	}
	
}

function close_select(side) {

	if (document.getElementById('branchen')) {
		document.getElementById('branchen').style.display='none'; 
	}

	if (document.getElementById('projekt')) {
		document.getElementById('projekt').style.display='none';
	}
	
	if (document.getElementById('projekt')) {
		document.getElementById('kunden').style.display='none';
	}
	
	if (document.getElementById('datum')) {
		document.getElementById('datum').style.display='none';
	}
	
	if (document.getElementById('kategorie')) {
		document.getElementById('kategorie').style.display='none';
	}
	
	if (document.getElementById('shutter')) {
		document.getElementById("shutter").style.display="none";
	}
	
}