var DEBUG = false; // false for release

var separator = "\t";  // used for string=> multiple select list

// ====================================================== Submit Functions

function radioTable(fObj,radioObj,act_str)
{
	if (radioSelectedIndex(radioObj) > -1)
			stdAction(fObj,act_str);
	else alert(msg_noradio_selected);
}

function stdAction(fObj,act_str)
{
	fObj.todo.value = act_str;
	dataToHidden(fObj);
	//submitDemo(fObj);
        fObj.submit();
}


//========================================================= Data Transfer Functions

function optionSelected(sel_obj) // return true or false
{
	return (sel_obj.selectedIndex > -1 && sel_obj.selectedIndex < sel_obj.options.length) ? true : false;
}

function getSelIndex(sel_object, sel_text)
{
	if (sel_text.length == 0)
		return 0;  
	var size = sel_object.options.length;
	for (var i = 0; i < size; i++)
	{
		if ( (sel_object.options[i].text == sel_text) || (sel_object.options[i].value == sel_text) )
			return(i);
	}
	if (DEBUG) 
		alert("DEBUG: " + sel_object.name + " (Select List) has invalid value " + sel_text + "  Selecting 1st item instead");
	return 0;  // if no match
}

function getSelected(sel_obj)  // single select. Returns value. If value blank, return text
{
	var index = sel_obj.selectedIndex;
	if (index >= 0)
		return (sel_obj.options[index].value != "") ? sel_obj.options[index].value : sel_obj.options[index].text;
	else return "";
}

function getMultiSelected(sel_obj)  // multi select. Always use text, not value
{
	var size = sel_obj.options.length; 
	var i; 
	var str = "";
	if(isNaN(size))
		return str;
	if(size == 0)
		return str;
	str = separator;
	for(i = 0; i < size; i++)
		if (sel_obj.options[i].selected)
			str+= sel_obj.options[i].text + separator; 
	return str;
}


function setSelected(sel_obj,list) // list has multiple items from select obj
{
	var selSize = sel_obj.options.length;
	var startTextPos;  	var startValuePos; 
	var textChar; 	        var valueChar;
	for ( var i =0 ; i < selSize; i++)
	{
		startTextPos = -1; 
		startValuePos = -1; 
		sel_obj.options[i].selected = false;
		startTextPos = list.indexOf(separator + sel_obj.options[i].text + separator);
		if(sel_obj.options[i].value.length > 0)
			startValuePos = list.indexOf(separator + sel_obj.options[i].value + separator);
		if (startTextPos > -1)
			sel_obj.options[i].selected = true;
		if (startValuePos > -1) 
			sel_obj.options[i].selected = true;
	}
}

function radioSelectedIndex(radio_object) // index of selected item, -1 if none
{
	if (!radio_object)
		return -1;
	var size = radio_object.length;
	if(isNaN(size))
	{
		if(radio_object.checked == true)
			return 0;
		else
			return -1;
	}
	for (var i = 0; i < size; i++)
	{
		if(!(radio_object[i]))
			return (radio_object.checked) ? 0 : -1;
		if (radio_object[i].checked)
			return(i);
	}
	if(radio_object.checked == true)
		return 0;
	else
		return -1;
}


function getRadioCheckedValue(radio_object)   // value of selected item, "" if none
{
	var index = 0;
	if (!radio_object)
		return "";
	var size = radio_object.length;
	if(isNaN(size)) 
	{
		if (radio_object.checked == true)
			return radio_object.value;
		else 
			return ""; 
	}
	for (var i = 0; i < size; i++)
	{
		if(!(radio_object[i])) 
			continue;
		if (radio_object[i].checked == true)
			return(radio_object[i].value);
	}
	if (radio_object.checked == true)
		return radio_object.value;
	else 
		return ""; 
}

function getRadioIndex(radio_object, checked_value)  // find index matching checkecd_value, 0 if no match
{
	if (!radio_object)
		return 0;
	if(radio_object.value == checked_value)
		return 0;
	var size = radio_object.length;
	if(isNaN(size))
		return 0;
	for (var i = 0; i < size; i++)
	{
		if(!(radio_object[i]))
			continue;
		if (radio_object[i].value == checked_value)
			return  i;
	}
	if (DEBUG) 
		alert("DEBUG: " + radio_object.name + " (Radio button) has invalid value " + checked_value + "  Selecting 1st item instead");
	return  0;   // if no match
}



function ip1to4(ipaddr,ip1,ip2,ip3,ip4)
{
  
	var len;
	var tmp;
	var all;
	all=ipaddr.value; 
   
	//ip1
	len=all.length;
	tmp=all.indexOf(".");
	ip1.value=all.substring(0,tmp);
   
	//ip2
	all=all.substring(tmp+1,len);
	len=all.length;
	tmp=all.indexOf(".");
	ip2.value=all.substring(0,tmp);
   
	//ip3
	all=all.substring(tmp+1,len);
	len=all.length;
	tmp=all.indexOf(".");
	ip3.value=all.substring(0,tmp);
   
	//ip4
	all=all.substring(tmp+1,len);
	ip4.value=all;
 } 

function ip4to1(ipaddr,ip1,ip2,ip3,ip4)
{
	if (ip1.value.length>0)
		ipaddr.value=ip1.value+"."+ip2.value+"."+ip3.value+"."+ip4.value; 
	else
		ipaddr.value="";
} 




function dataToVisible(form_obj)  // both hidden & visible fields in same form
{
	var form_size = form_obj.elements.length;
	var sourceField; 	var last_name; 	 var radioIndex;  var baseRef;
	
	for (var i = 0; i < form_size; i++)
	{
 		if (form_obj.elements[i].name.substr(0,3)=="c4_")
 		{	
			baseRef = "form_obj." + form_obj.elements[i].name.substr(3); 
 			ip1to4(form_obj.elements[i], eval(baseRef+"1"), eval(baseRef+"2"), eval(baseRef+"3"), eval(baseRef+"4"));
		}
	
		sourceField = eval("form_obj.h_" + form_obj.elements[i].name);
		if(!(sourceField))
			continue; 
		if(sourceField.value == "")
			continue; 
		if (form_obj.elements[i].type=="select-one")
			form_obj.elements[i].selectedIndex = getSelIndex(form_obj.elements[i], sourceField.value);
		if (form_obj.elements[i].type=="select-multiple")
			setSelected(form_obj.elements[i],sourceField.value);
		if (form_obj.elements[i].type == "checkbox")
			form_obj.elements[i].checked = (sourceField.value == "enable");
		if (form_obj.elements[i].type == "radio")
		{
			if (last_name == form_obj.elements[i].name)
				continue; // already done this one
			last_name = form_obj.elements[i].name;
			radioIndex = getRadioIndex(form_obj.elements[form_obj.elements[i].name],sourceField.value);
			if(form_obj.elements[form_obj.elements[i].name][radioIndex])
				form_obj.elements[form_obj.elements[i].name][radioIndex].checked = true;
			else 
				form_obj.elements[form_obj.elements[i].name].checked = true;
		}
	}
}

function dataToHidden(form_obj)  // both hidden & visible fields in same form
{
	var form_size = form_obj.elements.length;
	var destField; 	var last_name; 	 var radioIndex;  var baseRef;
	
	for (var i = 0; i < form_size; i++)
	{
 		if (form_obj.elements[i].name.substr(0,3)=="c4_")
 		{	
			baseRef = "form_obj." + form_obj.elements[i].name.substr(3); 
 			ip4to1(form_obj.elements[i], eval(baseRef+"1"), eval(baseRef+"2"), eval(baseRef+"3"), eval(baseRef+"4"));
		}

		destField = eval("form_obj.h_" + form_obj.elements[i].name);
		if(!(destField))
			continue; 
		if (form_obj.elements[i].type=="select-one")
			destField.value = getSelected(form_obj.elements[i]);
		if (form_obj.elements[i].type=="select-multiple")
			destField.value = getMultiSelected(form_obj.elements[i]);
		if (form_obj.elements[i].type == "checkbox")
			destField.value = (form_obj.elements[i].checked) ? "enable" : "disable";
		if (form_obj.elements[i].type == "radio")
		{
			if (last_name == form_obj.elements[i].name)
				continue; // already done this one
			last_name = form_obj.elements[i].name;
			destField.value =  getRadioCheckedValue(form_obj.elements[form_obj.elements[i].name]);
		}
		
	}
}


// =================================== Development ========================



function writeForm(form_obj)   
// creates matching hidden form fields - used for developement
{
	var form_size = form_obj.elements.length;
	var hfieldStr = ""; var hdemoStr = ""; var last_name = "";
	var i; var j;
	
	var debug_win = window.open("","form_def","width=680,height=360,menubar=yes,scrollbars=yes,resizable=yes");
	with(debug_win.document)
	{
		open();
		writeln('<html><he' + 'ad><tit' + 'le>Form Definition</ti' + 'tle></he' + 'ad>');
		writeln('<p>Form Name: ' + form_obj.name);
		writeln('<br>Form Action: ' + form_obj.action);
		writeln('<br>Form Target: ' + form_obj.target);
		writeln('<p>Following table shows checkboxes, radio buttons, selects fields.</p>\n<pre>');
		for (var i = 0; i < form_size; i++)
		{
			if (form_obj.elements[i].type=="select-one")
			{
				write(form_obj.elements[i].type + " : " + form_obj.elements[i].name + " &nbsp; ");
				for(j=0; j < form_obj.elements[i].options.length; j++)
					write(" [" + j + "]" + form_obj.elements[i].options[j].text);
				writeln();
				hfieldStr += '\n<input type="hidden" name="h_' + form_obj.elements[i].name + '" value="@'+ form_obj.elements[i].name + '#">';
				hdemoStr += '\n<input type="hidden" name="h_' + form_obj.elements[i].name + '" value="' + form_obj.elements[i].options[1].text + '">';
			}

			else if (form_obj.elements[i].type=="select-multiple")
			{
				write(form_obj.elements[i].type + " : " + form_obj.elements[i].name + " &nbsp; ");
				for(j=0; j < form_obj.elements[i].options.length; j++)
					write(" [" + j + "]" + form_obj.elements[i].options[j].text);
				writeln();
				hfieldStr += '\n<input type="hidden" name="h_' + form_obj.elements[i].name + '" value="@'+ form_obj.elements[i].name + '#">';
				hdemoStr += '\n<input type="hidden" name="h_' + form_obj.elements[i].name + '" value="' + form_obj.elements[i].options[1].value + '">';
			}	
				
			else if (form_obj.elements[i].type == "radio")
			{
				if (last_name == form_obj.elements[i].name)
					continue; // already done this one
				else
				{
					last_name = form_obj.elements[i].name;
					write(form_obj.elements[i].type + " : " + form_obj.elements[i].name + " &nbsp; ");
					for (var j = 0; j < form_obj.elements[form_obj.elements[i].name].length; j++)
						write(" [" + j + "]" + form_obj.elements[form_obj.elements[i].name][j].value);
					writeln();
					hfieldStr += '\n<input type="hidden" name="h_' + form_obj.elements[i].name + '" value="@'+ form_obj.elements[i].name + '#">';
					hdemoStr += '\n<input type="hidden" name="h_' + form_obj.elements[i].name + '" value="' +  form_obj.elements[form_obj.elements[i].name][1].value + '">';
				}
			}

			else if (form_obj.elements[i].type == "checkbox")
			{
				writeln(form_obj.elements[i].type + " : " + form_obj.elements[i].name);
				hfieldStr += '\n<input type="hidden" name="h_' + form_obj.elements[i].name + '" value="@' + form_obj.elements[i].name + '#">';
				hdemoStr += '\n<input type="hidden" name="h_' + form_obj.elements[i].name + '" value="enable">';
			}
			else ;  // no action
		}
		writeln('\n<!-- DemoStart -->' + hdemoStr + '\n<!-- DemoEnd -->');
		writeln('\n<!-- ServerStart\n' + hfieldStr + '\nServerEnd -->');
		writeln('</pre></body></html>');
		close();
	}
}