function showhide(id)  
{ 
	var style = document.getElementById(id).style;
	if (style.display == "none")  
		style.display = "inline";  
	else  
		style.display = "none";  
}

function showhideText(box,id)  
{ 
	var elm = document.getElementById(id) 
	elm.style.display = box.checked? "inline":"none" 
}

function showhideTextSelect(selectmenu,id)  
{ 
	var elm = document.getElementById(id)
	if (selectmenu.selectedIndex == "1" || selectmenu.selectedIndex == "2" || selectmenu.selectedIndex == "3" || selectmenu.selectedIndex == "7" || selectmenu.selectedIndex == "8" || selectmenu.selectedIndex == "9" || selectmenu.selectedIndex == "10" || selectmenu.selectedIndex == "12" || selectmenu.selectedIndex == "13" || selectmenu.selectedIndex == "15" || selectmenu.selectedIndex == "16") {
		elm.style.display = "inline";
	} else {
		elm.style.display = "none";
	}
}