/*******************************************************************************
' FileName 		TopNavImageSwap.js				
'
' Description		This javascript file contains the functions used in the TopNav,
'			to swap images and to handle search functionality
'
' Modification Log
'
'       Date                Author                           Modification 
'	29-Nov-2006  Jacob Eapen,Infosys Tech Ltd	      created
'*******************************************************************************/
function MM_preloadImages() { 
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { 
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { 
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { 
  var i,j=0,x,a=MM_swapImage.arguments; 
  document.MM_sr=new Array;
 
   for(i=0;i<(a.length-2);i+=3)
  
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


/*******************************************************************************
' Function Name		fnTopNavSearchTextBoxEnterClick				
'
' Description		This function handles the enter key press. If enter key is 
'					pressed, it goes to the page with search value entered
'
' Modification Log
'
'       Date                Author                           Modification 
'	29-Nov-2006  Jacob Eapen,Infosys Tech Ltd	    	created
'*******************************************************************************/
function fnTopNavSearchTextBoxEnterClick(sBaseChannelName,sSearchPage,e)
{	

	var ns = (!document.all) ? true : false
	var ie = (document.all) ? true : false
	var n;
	var enterKey = 13;
	(ns) ? n=e.which : n=e.keyCode		

	var sSearchValue =encodeURIComponent(document.getElementById('searchFor').value)
		
	if (n==enterKey){
 
			if (sBaseChannelName == "")
			{	
				window.location= sSearchPage +'?searchFor=' + sSearchValue ;				
			}
			else 
			{
				if (sBaseChannelName.indexOf('http://') == 0 )
				{
					window.location= sBaseChannelName + sSearchPage +'?searchFor=' + sSearchValue ;
				}
				else
				{
					window.location='http://' + sBaseChannelName + sSearchPage + '?searchFor=' + sSearchValue ;
				}
			}
			
			return false;
	 }
}

/*******************************************************************************
' Function Name		fnTopNavSearchLinkClick				
'
' Description		This function is called when search button is pressed in 
'					top nav
'
' Modification Log
'
'       Date                Author                           Modification 
' 	29-Nov-2006  Jacob Eapen,Infosys Tech Ltd.          Initial Version
'*******************************************************************************/
function fnTopNavSearchLinkClick(sBaseChannelName,sSearchPage)
{	

	var sSearchValue =encodeURIComponent(document.getElementById('searchFor').value)

	if (sBaseChannelName == "")
	{
		window.location= sSearchPage + '?searchFor=' + sSearchValue ;
	}
	else 
	{
		if (sBaseChannelName.indexOf('http://') == 0 )
		{
			window.location= sBaseChannelName + sSearchPage + '?searchFor=' + sSearchValue ;
		}
		else
		{
			window.location='http://' + sBaseChannelName + sSearchPage + '?searchFor=' + sSearchValue ;
		}
	}
}