/*
This js file is used to to help records stats of people that click the 'make saga my hompage link'.
If the user has not clicked the link they are redirected to the relevant 'channel' page (ie logHpageTravel).
This asp page will record relevant data to a database table.
*/

var strhomepage = 'www.saga.co.uk'

function myhomepage()
{
	thisPage = top.location.href;
	//alert(thisPage);
	if (document.all) 
	   {
	      document.myHomepage.style.behavior='url(#default#homepage)';
	      document.myHomepage.setHomePage(strhomepage);

		    var myString = new String(thisPage);
			if (myString.match("/health_news/") != null)
			{
				pageTo = 'logHpageHealth.asp?backtopage='+ thisPage;
			}
			else if (myString.match("/supplements/") != null)
			{
				pageTo = 'logHpageSupplements.asp?backtopage='+ thisPage;
			}
			else if (myString.match("/travel/") != null)
			{
			    pageTo = 'logHpageTravel.asp?backtopage='+ thisPage;
			}
			else if (myString.match("/finance/") != null)
			{
			    pageTo = 'logHpageFinance.asp?backtopage='+ thisPage;
			}
			else if (myString.match("/radio/") != null)
			{
			    pageTo = 'logHpageRadio.asp?backtopage='+ thisPage;
			}			
			else if (myString.match("/magazine/") != null)
			{
			    pageTo = 'logHpageMagazine.asp?backtopage='+ thisPage;
			}		
			else if (myString.match("/money/") != null)
			{
			    pageTo = 'logHpageMoney.asp?backtopage='+ thisPage;
			}		
			else if (myString.match("/sagainternet/") != null)
			{
			    pageTo = 'logHpageSagaInternet.asp?backtopage='+ thisPage;
			}									
			else
			{
			    pageTo = 'logHpage.asp?backtopage='+ thisPage;	
			}
		  	top.location.href = '/myHomepage/'+ pageTo;
		  	//alert('hello');
	   }
	else
	   {
	      helpwindow();		  
	   }  
}
function helpwindow()
{
  if (document.all)
  { //ie version
     var xMax = screen.WIDTH, yMax = screen.HEIGHT;
 	  var xOffset = (xMax - 320)/2, yOffset = (yMax - 900)/2;
 	  var total = "/help_window.asp?"
      popup = window.open(total,'telepopup','screenx='+xOffset+', screeny='+yOffset+', top='+yOffset+',left='+xOffset+', toolbar=no, location=no,directories=no,status=no,menubar=no, scrollbars=no, resizable=no,copyhistory=no,WIDTH=320,HEIGHT=450');
     if (!popup.opener)
   	     {
           popup.opener = self;
   	     }
  }
else
   {
      var xMax = screen.WIDTH, yMax = screen.HEIGHT;
 	  var xOffset = (xMax - 320)/2, yOffset = (yMax - 220)/2;
 	   var total = "/help_window.asp?"
     popup = window.open(total,'telepopup','screenx='+xOffset+', screeny='+yOffset+', top='+yOffset+',left='+xOffset+', toolbar=no, location=no,directories=no,status=no,menubar=no, scrollbars=no, resizable=no,copyhistory=no,WIDTH=320,HEIGHT=450');
   if (!popup.opener)
   	   {
        popup.opener = self;
   	   }
    }
}

function readHomepage()
{
	var cookies = document.cookie;
	var name = 'homepageCookie';
	var start = cookies.indexOf(name + "=");
	
	if (start == -1)
	{
		//alert('cookie not found');		
		myhomepage(); //if user not previously made saga their homepage use myhomepage() function to redirect and record unique stats.
	}
	else
	{
		//alert('cookie found');
		//Let user set this as their homepage but don't re-direct & don't create stats
		if(document.all)
		{
			document.myHomepage.style.behavior='url(#default#homepage)';
	    	document.myHomepage.setHomePage(strhomepage);
		}
		else //Netscape
		{
			 helpwindow();
		}

	}
	
}