function openclose(co) {

	obiekt_display = document.getElementById(co).style.display;
	obiekt_visible = document.getElementById(co).style.visibility;


	if(obiekt_display=="none" || obiekt_display=="" ){
		document.getElementById(co).style.display= "block"
	}
	else {
		document.getElementById(co).style.display = "none"	
	}



	if(obiekt_visible=="hidden" || obiekt_visible=="" ){
		document.getElementById(co).style.visibility= "visible"
	}
	else {
		document.getElementById(co).style.visibility = "hidden"	
	}	
}





function opendiv(co) {
		document.getElementById(co).style.display= "block"
		document.getElementById(co).style.visibility= "visible"
}



function closediv(co) {
		document.getElementById(co).style.display= "none"
		document.getElementById(co).style.visibility= "hidden"
}