function PopWindow(my_url)
{
    var NewWindow;
    NewWindow=window.open(my_url,"","width=800,height=600,top=0,left=0,location=no,menubar=no,directories=no,toolbar=no,scrollbars=yes,resizable=yes,status=yes");
    NewWindow.focus();
}
function InvoiceWindow(my_url)
{
    var NewWindow;
    NewWindow=window.open(my_url,"","width=800,height=600,top=0,left=0,location=no,menubar=no,directories=no,toolbar=no,scrollbars=yes,resizable=yes,status=no");
    NewWindow.focus();
}
function CommonUnselect(my_id)
{
    my_object=document.getElementById(my_id)
    my_length=my_object.options.length
    for (i=0;i<my_length;i++) my_object.options[i].selected=false;

}
function return_myvalue(myname)
{
     var myvalue="";
     var tmp_name="document.forms[0]."+myname+".value";
     myvalue=eval(tmp_name);
     return myvalue;
}
function test()
{
    alert("OK");
}
function check_email(email)
{
    //email=trimstring(email)
    if (email=="")
    {
      return true
    }
    else
    {
        var pattern=/^([a-zA-Z0-9._-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
        flag=pattern.test(email);
        if(!flag)
        {
           return false;
        }
        else
        {
           return true;
        }
    }
}
function trim_string(inString)
{
          var outString;
          var startPos;
          var endPos;
          var ch;
          // where do we start?
          startPos = 0;
          ch=inString.charAt(startPos);
          while ((ch==" ") || (ch == "\b") || (ch == "\f") || (ch == "\n") || (ch == "\r")  || (ch == "\n"))
          {
                   startPos++;
                   ch=inString.charAt(startPos);
          }
          // where do we end?
          endPos=inString.length - 1;
          ch=inString.charAt(endPos);
          while ((ch==" ") || (ch == "\b") || (ch == "\f") || (ch == "\n") || (ch == "\r")  || (ch == "\n"))
          {
                   endPos--;
                   ch=inString.charAt(endPos);
          }
          //alert(startPos+":"+endPos);
          // get the string
          if (endPos==-1) startPos=0;  // process empty
          outString=inString.substring(startPos,endPos+1);
          return outString;
}//End of trim_string
function empty_fields(formname)
{
    for (var i=0;i<formname.elements.length;++i)
    {
          myname=formname.elements[i].name;
          mytype=formname.elements[i].type;
          //alert(mytype);
          switch (formname.elements[i].type)
          {
               case  'textarea':
               case  'text':
                     formname.elements[i].value="";
                     break;
               case  'checkbox':
                     formname.elements[i].checked=false;
                     break;
               /*
               case  'select-one':
                     myvalue=1;   //default value;
                     if (formname.elements[i].selectedIndex>=0) myvalue=formname.elements[i].selectedIndex+1;
                     mytype=mytype+"--"+myvalue;
                     current_value=current_value+myname+"="+mytype+";";
                     break;
                     break;
               case  'radio':
                      mytype=mytype+"--"+formname.elements[i].checked;
                      current_value=current_value+myname+"="+mytype+";";
                     break;
              */
          }
    }

	for (j = 1; j < arguments.length; j++)
	{
		id_name=arguments[j];
		my_field=document.getElementById(id_name);
		my_field.value='';
	}
}
function check_date_time(a)
{
            a=trim_string(a);
            var err=0
            if (a.length <10) err=1
            if (err==0)
            {
                d = a.substring(0, 2)  // day
                e = a.substring(2, 3)  // '/'
                b = a.substring(3, 5)  // month
                c = a.substring(5, 6)  // '/'
                f = a.substring(6, 10) // year
                l = a.length
                //basic error checking
                if (b<1 || b>12) err = 2
                if (c != '/') err = 3
                if (d<1 || d>31) err = 4
                if (e != '/') err = 5
                if (f<1996 || f>2015) err = 6
                //if (l!=19)  err=7
                //advanced error checking
                // months with 30 days
                if (b==4 || b==6 || b==9 || b==11)
                {
                    if (d==31) err=8
                }
                // february, leap year
                if (b==2)
                {
                  // feb
                  var g=parseInt(f/4)
                  if (isNaN(g))
                  {
                      err=9
                  }
                  if (d>29) err=10
                  if (d==29 && ((f/4)!=parseInt(f/4))) err=11
                }
            }
            if (err>0)
            {
                 alert('Invalid date input!(dd/mm/yyyy)(1996-2015) Error: '+err);
                 return 0;
            }
            else
            {
                 return 1;
            }
} // End of check_data_time();
function mousedown_handler(mouse_event)
{
           // This is the message that will appear
           var no_right_click = "Sorry, right-clicking is not allowed!"
           if (document.all)
           {
               //Probably Internet Explorer 4 and later
               if (event.button == 2 || event.button == 3)
               {
                    alert(no_right_click)
                     return false
               }
           }
           else if (document.getElementById)
           {
                // Probably Netscape 6 and later
                if (mouse_event.which == 3)
                {
                     alert(no_right_click)
                     return false
                }
           }
           else if (document.layers)
           {
                 // Probably Netscape 4
                 if (mouse_event.which == 3)
                 {
                      alert(no_right_click)
                       return false
                 }
           }
}//End of mousedown_handler(mouse_event)
/*
if (document.all)
{
}
else if (document.getElementById)
{
    document.captureEvents(Event.MOUSEDOWN)
}
else if (document.layers)
{
   document.captureEvents(Event.MOUSEDOWN)
}
document.onmousedown = mousedown_handler
*/
function GlobalScrollTo(my_id)
{
    my_object=document.getElementById(my_id)
    my_length=my_object.options.length
    for (i=0;i<my_length;i++)
    {
        if (my_object.options[i].selected) my_object.options[i].selected=true;
    }

}
//-->
function KeepShopping()
{
    var url="";
    url="category.php?category_ID="+document.shopping_cart.category_ID.value;
    location.href=url;    
}
function POPSmallWindow(my_url,width,height)
{
    var NewWindow;
    my_left=(screen.availWidth-width)/2;
    my_top=(screen.availHeight-height)/2;
    NewWindow=window.open(my_url,"","width="+width+",height="+height+",top="+my_top+",left="+my_left+",location=no,menubar=no,directories=no,toolbar=no,scrollbars=yes,resizable=yes,status=yes");
    NewWindow.focus();
}
function popup(url,width,height)
{
	var popup = window.open(url, '_blank', 'width='+width+',height='+height+',scrollbars=1,resizable=1,status=1');
      if (!popup.opener) popup.opener = self;
    popup.focus();
}



function setCheckboxesRange(the_form, do_check, basename, min, max)
{
    for (var i = min; i < max; i++) 
	{
        if (typeof(document.forms[the_form].elements[basename + i]) != 'undefined') 
		{
            document.forms[the_form].elements[basename + i].checked = do_check;
        }
        if (typeof(document.forms[the_form].elements[basename + i + 'r']) != 'undefined') 
		{
            document.forms[the_form].elements[basename + i + 'r'].checked = do_check;
        }
    }

    return true;
}


var newwindow_packman = '';

function PopUpPackman(url)
{
	if (!newwindow_packman.closed && newwindow_packman.location)
	{
		newwindow_packman.location.href = url;
	}
	else
	{
		newwindow_packman=window.open(url,'name','height=700,width=900,menubar=1,scrollbars=yes,resizable=yes,status=yes');
		if (!newwindow_packman.opener) newwindow_packman.opener = self;
	}
	if (window.focus) {newwindow_packman.focus()}
	return false;
}

function DisplayDiv(my_id)
{
	//Display first div
	my_div=document.getElementById(my_id);
	if (my_div) 
	{
		my_div.style.display='block';
	}

	//Hide other divs
	for (j = 1; j < arguments.length; j++)
	{
		HideDiv(arguments[j]);
	}
}
function ToggleDiv(my_id,link_id)
{
	my_div=document.getElementById(my_id);
	my_link=document.getElementById(link_id);
	//alert(my_link.onmouseover);
	if (my_div.style.display=='none')
	{
		my_div.style.display='block';
	}	
	else
	{
		my_div.style.display='none';
	}
}
function HideDiv(my_id)
{
	my_div=document.getElementById(my_id);
	if (my_div) my_div.style.display='none';
}
function SetClass(my_id,class_name)
{
	my_div=document.getElementById(my_id);
	if (my_div)
	{
		my_div.className=class_name;
	}
}
function Tab(tab_index,number_tabs,tab_header_prefix,tab_prefix)
{
	var my_string='';
	for (i=0;i<=number_tabs;i++)
	{
		if (i==tab_index)	SetClass('tab_header_'+i,'tab_active');
		else SetClass('tab_header_'+i,'tab_inactive');
	}

	if (tab_index==0)
	{
		for(i=1;i<=number_tabs;i++) DisplayDiv(tab_prefix+i); //display all tabs
	}
	else
	{
		for(i=1;i<=number_tabs;i++)
		{
			if (i==tab_index) DisplayDiv(tab_prefix+i);
			else	 HideDiv(tab_prefix+i);
		} 
	}
}
function AddOption(control_name,my_text,my_value)
{
	eval('new_index=document.'+control_name+'.options.length');
	eval('document.'+control_name+'.options[new_index]=new Option("'+my_text+'","'+my_value+'",true,true)');
}

function RadioButtonToggleTextFields(my_value,id_1,id_2)
{
	for (j = 1; j < arguments.length; j++)
	{
		id_name=arguments[j];
		my_field=document.getElementById(id_name);
	
		if (my_value==1)
		{
			my_field.readOnly=false;
			my_field.className='text-input';
		}
		else
		{
			my_field.readOnly=true;
			my_field.className='text-input-readonly';
		}
	}
}

function CheckboxToggleDivs(my_value,checkbox_id)
{
	check=document.getElementById(checkbox_id);
	for (j = 2; j < arguments.length; j++)
	{
		id_name=arguments[j];
		my_div=document.getElementById(id_name);
		
		if (check.checked==my_value) 
		{
			my_div.style.display='block';
		}
		else
		{
			my_div.style.display='none';
		}
	}
}
function addCommas(nStr)
{
	nStr += '';
	x = nStr.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1)) 
	{
		x1 = x1.replace(rgx, '$1' + ',' + '$2');
	}
	return x1 + x2;
}
function SetOptions(source_object,do_check)
{
	var selectCount  = source_object.length;
    for (var i = 0; i < selectCount; i++) 
	{
        source_object.options[i].selected =do_check ;
    } 
}
function SelectCopy(div_id) 
{
   if (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion >= "4.0")
   {
      
	  //alert(document.all.length);
	 /*
	  for (i=0; i<document.all.length; i++) 
	  {
          document.all(i).unselectable = "on"
	  }
	*/ 
	  document.getElementById(div_id).contentEditable=true;
      document.getElementById(div_id).unselectable = "off";
      document.getElementById(div_id).focus();
   
      document.execCommand('SelectAll');
      document.execCommand('Copy');
	  /*
      for (i=0; i<document.all.length; i++) 
	  {
         document.all(i).unselectable = "off"
      }
	  */
	  document.getElementById(div_id).contentEditable=false;
	}
	else
    {
      alert("Sorry, this only works for InternetExploder")
    }
}
function disableForm(formname)
{
    for (var i=0;i<formname.elements.length;++i)
    {
		var tmp_control=formname.elements[i];
		tmp_control.disabled=true;
	}
}

function empty_all_fields(formname,ignore_select)
{
    for (var i=0;i<formname.elements.length;++i)
    {
          myname=formname.elements[i].name;
          mytype=formname.elements[i].type;
          switch (formname.elements[i].type)
          {
               case  'textarea':
               case  'text':
                     formname.elements[i].value="";
                     break;
               case  'checkbox':
                     formname.elements[i].checked=false;
                     break;
               case  'select-one':
					 //alert(ignore_select);
                     if (ignore_select=='1') {}
					 else {formname.elements[i].selectedIndex=0;}
                     break;
               case  'radio':
                      formname.elements[i].checked=false;
                      break;
          }
    }
}