//By: Dexter Zafra www.ex-designz.net

//Handle popup window
function Start(page) 
{
OpenWin = this.open(page,'CtrlWindow', 'width=650,height=500,toolbar=no,menubar=no,location=no,scrollbars=yes,resizable=yes')
}
function openWindow(url) 
{
  popupWin = window.open(url,'new_page','width=400,height=400')
}

//Handle clear field
function clearDefault(el) 
{
  if (el.defaultValue==el.value) el.value = ""
}

//Handle textarea comment and URL description character count 
function textCounter(field, countfield, maxlimit) 
  {
     if (field.value.length > maxlimit) 
         field.value = field.value.substring(0, maxlimit);
     else 
         countfield.value = maxlimit - field.value.length;
}

//Handle ckeck keyword for search
function doSubmit(obj) 
 {

   if (obj.find.value != '' && obj.find.value != 'Enter keyword') 
       {
          var keywords = obj.find.value.split(' ');
          var validKeyword = 0;

             for(key in keywords) 
                  {
	        keyword = keywords[key];
	        keyword = keyword.replace(/^\\s+|\\s+$/g,'');

	            if (keyword.length >= 3) 
                              {
		        validKeyword += 1;
		     }
	     }
			
                        if (validKeyword <= 0) 
                             {
		       alert('Your keywords used must contain at least 3 characters!\n\nPlease try again...');
		       return false;
		    } 
                              else 
                              {
		       return true;
		    }

      } 
      else 
      {
         alert('You must enter at least ONE keyword!\n\nPlease try again...');
          return false;
      }
}

//Handle right panel toggle hide/show
function togswitch(idnum)
{
   if(document.getElementById)
      {
          if(document.getElementById("togdiv"+idnum))
             {
	   var elem = document.getElementById("togdiv"+idnum);

	      if(elem == null) 
                      { 
                        return; 
                      }
			
                   if(elem.style.display == "none")		
                      {
	            elem.style.display = "block";

	            if(document.getElementById("togplus"+idnum))
                            {
                              document.getElementById("togplus"+idnum).style.display = "none";
                            }

	            if(document.getElementById("togminus"+idnum))
                            {
                              document.getElementById("togminus"+idnum).style.display = "";
                            }
			
                }
	      else
	   {
	          elem.style.display = "none";

                       if(document.getElementById("togplus"+idnum))
                           {
                             document.getElementById("togplus"+idnum).style.display = "";
                           }
                       if(document.getElementById("togminus"+idnum))
                           {
                             document.getElementById("togminus"+idnum).style.display = "none";
                           }
	    }

            }		
             window.event.cancelBubble = true;
	return false;
     }

}

// switch styles
function setActiveStyleSheet(title) {
  var i, a, main;
  for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if (a.getAttribute("rel") &&
        a.getAttribute("rel").indexOf("style") != -1 &&
        a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}
function getActiveStyleSheet() {
  var i, a;
  for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if (a.getAttribute("rel") &&
        a.getAttribute("rel").indexOf("style") != -1 &&
        a.getAttribute("title") &&
        !a.disabled
        ) return a.getAttribute("title");
  }
  return null;
}
function getPreferredStyleSheet() {
  var i, a;
  for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if (a.getAttribute("rel") &&
        a.getAttribute("rel").indexOf("style") != -1 &&
        a.getAttribute("rel").indexOf("alt") == -1 &&
        a.getAttribute("title")
        ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}
window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}
window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);