function __remove_select_options(name,form)
{
	var oForm = document.forms[form];
	
	if(oForm)
	{
		for(i=oForm[name].options.length ; i>=0 ; i--)
		{
			oForm[name].options[i] = null;	
		}
	}
}

function __toggle_buttons(value,form)
{
	var oForm = document.forms[form];
	
	if(oForm)
	{
		for(i=0 ; i<oForm.elements.length ; i++)
		{
			if(oForm.elements[i].type == 'button' || oForm.elements[i].type == 'reset' || oForm.elements[i].type == 'submit')
			{
				oForm.elements[i].disabled = (value == 'disable' ? true : false);	
			}
		}
	}
}

function __handle_program_category(data)
{
	var oForm = document.forms['eventForm'];
	
	if(oForm)
	{
		if(parseInt(data) > 0)
		{
			__toggle_buttons('disable','eventForm');
			
			oForm['category'].disabled = true;
			oForm['activity'].disabled = true;	
			
			jQuery.ajax
			(
				{
					type: 		"POST",
					url: 		"rpc.php?mode=list&xml=true",
					data: 		"mode=list&data=" + data,
					dataType:	"xml",
					
					success: function(xml)
					{
						__toggle_buttons('enable','eventForm');
						__remove_select_options('activity','eventForm');
						
						if(jQuery(xml).find('activity').size() > 0)
						{
							oForm['category'].disabled = false;
							oForm['activity'].disabled = false;
							
							oForm['activity'].options[oForm['activity'].options.length] = new Option('',0);
						
							jQuery(document.getElementById('row')).show();
						
							jQuery(xml).find('activity').each
							(
								function()
								{
									oForm['activity'].options[oForm['activity'].options.length] = new Option(jQuery(this).text(),jQuery(this).attr('id'));
								}
							);
						}
						else
						{
							oForm['category'].disabled = false;
							oForm['activity'].disabled = true;
							
							jQuery(document.getElementById('row')).hide();
						}
					}
				}
			);
		}
		else
		{
			__remove_select_options('activity','eventForm');
			
			jQuery(document.getElementById('row')).hide();
		}
	}
}

function __handle_project_code(string)
{
	var oForm = document.forms['eventForm'];
	var entities = new Array('month','day','year','emonth','eday','eyear','category','activity');
	
	if(oForm)
	{
		for(i=0 ; i<entities.length ; i++)
		{
			if(oForm[entities[i]])
			{
				oForm[entities[i]].disabled = (string.replace(/\s+/g,'').length == 0 ? false : true);	
			}
		}
	}
}

function __search_projects()
{
	var oForm = document.forms['eventForm'];
	
	if(oForm)
	{
		var entities = new Array('month','day','year','emonth','eday','eyear','code');
		
		data =  'mode=validate';
		data += '&';
		data += 'start=';
		data += '' + oForm['month'].options[oForm['month'].options.selectedIndex].value;
		data += '/';
		data += '' + oForm['day'].options[oForm['day'].options.selectedIndex].value;
		data += '/';
		data += '' + oForm['year'].options[oForm['year'].options.selectedIndex].value;
		data += '&';
		data += 'end=';
		data += '' + oForm['emonth'].options[oForm['emonth'].options.selectedIndex].value;
		data += '/';
		data += '' + oForm['eday'].options[oForm['eday'].options.selectedIndex].value;
		data += '/';
		data += '' + oForm['eyear'].options[oForm['eyear'].options.selectedIndex].value;
		
		jQuery.ajax
		(
			{
				type: 		"POST",
				url: 		"rpc.php?mode=validate&xml=true",
				data: 		"" + data,
				dataType:	"xml",
				
				success: function(xml)
				{
					start = jQuery(xml).find('start').text();
					end = jQuery(xml).find('end').text();
					
					if(start.toLowerCase() != "null")
					{
						oForm['start'].value = start;	
					}
					
					if(end.toLowerCase() != "null")
					{
						oForm['end'].value = end;	
					}
					
					for(i=0 ; i<entities.length ; i++)
					{
						if(oForm[entities[i]])
						{
							oForm[entities[i]].disabled = true;	
						}
					}
					
					__toggle_buttons('disable','eventForm');
					
					oForm.method = 'get';
					oForm.action = 'project-calendar.php';
					
					oForm.submit();
				}
			}
		);
	}
}

function __search_project_code()
{
	var oForm = document.forms['eventForm'];
	
	if(oForm)
	{
		if(oForm['code'].value.replace(/\s+/g,'').length > 0)
		{
			oForm['code'].value = oForm['code'].value.replace(/\s+/g,'');
			
			__toggle_buttons('disable','eventForm');
			
			jQuery.ajax
			(
				{
					type: 		"POST",
					url: 		"rpc.php?mode=code&xml=true",
					data: 		"mode=code&code=" + oForm['code'].value,
					dataType:	"xml",
					
					success: function(xml)
					{
						__toggle_buttons('enable','eventForm');
						
						if(jQuery(xml).find('id').size() > 0)
						{
							__toggle_buttons('disable','eventForm');
							
							id = parseInt(jQuery(xml).find('id').text());
							
							if(id > 0)
							{
								window.location.href = 'project-calendar-detail.php?id=' + id;
							}
							else
							{
								window.location.href = 'project-calendar.php?error=code';	
							}
						}
					}
				}
			);
		}
		else
		{
			alert('Please enter valid project code ! ');
			
			return false;
		}
	}
}

function __display_date_picker(form)
{
	var oForm = document.forms[form];
	
	var height = 0;
	var width = 0;
	
	if(oForm)
	{
		__toggle_buttons('disable','eventForm');
		
		jQuery.ajax
		(
			{
				type: 		"POST",
				url: 		"rpc.php?mode=calendar",
				data: 		"mode=calendar&start=" + oForm['start'].value,
				dataType:	"html",
				
				success: function(data)
				{
					__toggle_buttons('enable','eventForm');
					
					jQuery(document.getElementById('popup')).empty();
					jQuery(document.getElementById('popup')).prepend(data);
					
					if(jQuery.browser.mozilla == true)
					{
						height = jQuery('html').height();
					}
					else
					{
						height = jQuery(window).height();
					}
					
					width = jQuery(window).width();
					
					jQuery(document.getElementById('popup')).css('left',((width-246)/2));
					jQuery(document.getElementById('popup')).css('top',191);
					
					jQuery(document.getElementById('layer')).show();
					jQuery(document.getElementById('layer')).height(height);
					jQuery(document.getElementById('layer')).width(width);
					
					jQuery(document.getElementById('popup')).show();
				}
			}
		);
	}
}

function __hide_date_picker()
{
	jQuery(document.getElementById('layer')).hide();
	jQuery(document.getElementById('popup')).hide();
}

function __set_date(month,day,year)
{
	var oForm = document.forms['calendarForm'];
	var oFormTarget = document.forms['eventForm'];
	
	if(oForm && oFormTarget)
	{
		var target = null;
		
		for(i=0 ; i<oForm.elements.length ; i++)
		{
			if(oForm.elements[i].name == 'target' && oForm.elements[i].checked == true)
			{
				target = oForm.elements[i].value;
				
				break;
			}
		}
		
		if(target != null)
		{
			target = (target == 'e' ? 'e' : '');
			
			//month
			
			for(i=0 ; i<oFormTarget[target + 'month'].options.length ; i++)
			{
				if(oFormTarget[target + 'month'].options[i].value == month)
				{
					oFormTarget[target + 'month'].options[i].selected = true;
					
					break;
				}
			}
			
			//day
				
			for(i=0 ; i<oFormTarget[target + 'day'].options.length ; i++)
			{
				if(oFormTarget[target + 'day'].options[i].value == day)
				{
					oFormTarget[target + 'day'].options[i].selected = true;
					
					break;
				}
			}
			
			//year
				
			for(i=0 ; i<oFormTarget[target + 'year'].options.length ; i++)
			{
				if(oFormTarget[target + 'year'].options[i].value == year)
				{
					oFormTarget[target + 'year'].options[i].selected = true;
					
					break;
				}
			}			
		}
	}
}

function __get_date(month,year)
{
	var oForm = document.forms['calendarForm'];
	
	if(oForm)
	{	
		var target = 's';
		
		for(i=0 ; i<oForm.elements.length ; i++)
		{
			if(oForm.elements[i].name == 'target' && oForm.elements[i].checked == true)
			{
				target = oForm.elements[i].value;
				
				break;
			}
		}
	
		jQuery(document.getElementById('popup')).hide();
		
		if(month > 12)
		{
			month = 1;
			year++;
		}
		else if(month < 1)
		{
			month = 12;
			year--;
		}
		
		__toggle_buttons('disable','eventForm');
		
		jQuery.ajax
		(
			{
				type: 		"POST",
				url: 		"rpc.php?mode=calendar",
				data: 		"mode=calendar&start=" + month + "/01/" + year + '&target=' + target,
				dataType:	"html",
				
				success: function(data)
				{
					__toggle_buttons('enable','eventForm');
					
					jQuery(document.getElementById('popup')).empty();
					jQuery(document.getElementById('popup')).prepend(data);
					jQuery(document.getElementById('popup')).show();
				}
			}
		);
	}
}

function __pop_user_terms()
{
	var popup = window.open('terms.html','terms','width=580,height=350,resizable=1,scrollbars=1');
	
	popup.focus();
}

function __handle_search_focus()
{
	var oForm = document.forms['searchForm'];
	
	if(oForm)
	{
		if(oForm['q'].value.toLowerCase() == 'search our site...')
		{
			oForm['q'].value = '';	
		}
	}
}

function __handle_search_blur()
{
	var oForm = document.forms['searchForm'];
	
	if(oForm)
	{
		if(oForm['q'].value.replace(/\s+/g).length == 0)
		{
			oForm['q'].value = 'search our site...';	
		}
	}
}

function __handle_search()
{
	var oForm = document.forms['searchForm'];
	
	if(oForm)
	{
		if(oForm['q'].value.toLowerCase() == 'search our site...')
		{
			oForm['q'].value = '';	
		}	
	}
}