function showhidediv(name){
	var obj = (document.getElementById)? document.getElementById(name) : eval("document.all[name]");
	if (obj.style.display=="none"){
		obj.style.display="";
	} else {
		obj.style.display="none";
	}
}
function showdiv(name){
	var obj = (document.getElementById)? document.getElementById(name) : eval("document.all[name]");
	obj.style.display="";
}
function hidediv(name){
	var obj = (document.getElementById)? document.getElementById(name) : eval("document.all[name]");
	obj.style.display="none";
}
function additional(mySelect,name,key) {
      myIndex = mySelect.selectedIndex;
      myValue = mySelect.options[myIndex].value;
      var obj = (document.getElementById)? document.getElementById(name) : eval("document.all[name]");
      if (myValue == key){
		obj.style.display="";
	} else {
		obj.style.display="none";
	}
} 
function property(url,name)
{
	var newwindow;
	var iMyWidth;
	var iMyHeight;
	iMyWidth = (window.screen.width/2) - (320 + 10);
	iMyHeight = (window.screen.height/2) - (290 + 50);
	newwindow=window.open(url,name,'height=580,width=640,left=' + iMyWidth + ',top=' + iMyHeight + ',screenX=' + iMyWidth + ',screenY=' + iMyHeight + ',toolbar=no,menubar=no,scrollbars=yes,location=no,directories=no,resizable=no,status=yes');
	if (window.focus) {newwindow.focus()}
}
function numbersonly(myfield, e, dec){
		var key;
		var keychar;

		if (window.event)
		   key = window.event.keyCode;
		else if (e)
		   key = e.which;
		else
		   return true;
		keychar = String.fromCharCode(key);

		if ((key==null) || (key==0) || (key==8) || 
		    (key==9) || (key==13) || (key==27) )
		   return true;

		else if ((("0123456789").indexOf(keychar) > -1))
		   return true;

		else if (dec && (keychar == "-"))
		   {
		   myfield.form.elements[dec].focus();
		   return false;
		   }
		else
		   return false;
	}
function decision(message, url){
	if(confirm(message)) location.href = url;
}
function  show_image(img_src) {
	document.image.src=img_src
}