/*
 * Name:
 *      secretword.js
 *
 * Description:
 *      Defines functions for making AJAX queries via the HTTP protocol's GET method.
 *
 * Pre-conditions:
 *      'q'                        : secret word entered by the user
 *      'secretWordId' : from secret_word.lib
 *
 * Post-conditions:
 * - response from the server for the GET request
 *
 * Log:
 *      Kripa Shenai            08/15/2006
 *      - Creation
 *      Kripa Shenai            03/14/2007
 *      - Added handleKeystroke
 * 		Kripa Shenai 		    05/05/2008
 *		- fixed VX-1635
 */


keyWordSelection = false;
displayPart = '';
var xmlHttp;

function showLink(str1,str2,str3,str4,displayId)
{
	displayPart = displayId;
        if (str1.length==0)
        {
                var disObject = document.getElementById(displayPart);
                
                if(disObject != 'undefined' && disObject)
                	disObject.innerHTML=""
                
                if(keyWordSelection == true)
                {
                	alert("Please Select KeyWord From Drop Down")
                }
                return;
        }

        xmlHttp=GetXmlHttpObject()
        if (xmlHttp==null)
        {
                alert ("Browser does not support HTTP Request");
                return;
        }
        

		var url="/get_secret_word.php";
		url=url+"?q="+str1;
		url=url+"&secretWordId="+str2;
		url=url+"&liteGraphicId="+str3;
		url=url+"&stylePrefix="+str4;
		
		if(keyWordSelection == true)
		{
			url=url+"&keyWordSelection="+keyWordSelection;
		}
		
		url=url+"&sid="+Math.random();
		xmlHttp.onreadystatechange=stateChangedSecretWord;
		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);
		
}

function stateChangedSecretWord()
{
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
        {
        		if(keyWordSelection == true)
        		{
        			//
        			// reset the flag again
        			//
        			keyWordSelection = false;
        			var tmp = 'returnData='+ xmlHttp.responseText;
					eval(tmp);
					newWindowOption = returnData.openInNewWindow;
					//
					// check if open in new window is true
					//
					if(newWindowOption)
					{
						window.open(returnData.url);
					}
					else
					{
						location.href = returnData.url;	
					}// end if - open in new window is true
        			
        			
        		}
        		else
        		{
        			
        			document.getElementById("txtLink").innerHTML=xmlHttp.responseText;
        			displayPart = '';
        		}
        }
}

function GetXmlHttpObject()
{
var objXMLHttp=null;

        if (window.XMLHttpRequest)
        {
                objXMLHttp=new XMLHttpRequest();
        }
        else if (window.ActiveXObject)
        {
                objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
return objXMLHttp;
}

/*
 * Name:
 *      setKeyWordParameters
 *
 * Description:
 *      function used to set the parameters for the  selction keyword from drop-down
 *
 * Preconditions/Input:

 *
 * Postconditions/Output:
 *      after setting the parameters it will call the showLink function.
 *
 * Stored Procedures:
 *      None
 *
 * Log:
 *  Kripa Shenai 03/14/2007
 *	Kripa Shenai 		    05/05/2008
 *		- fixed VX-1635
 */
function handleKeystroke(e)
{
    var keyPressed;

    //Browser compatibility check
    if (document.all)
    {
        //Browser used: Internet Explorer 6
        keyPressed = e.keyCode;
    }
    else
    {
        //Browser used: Firefox
        keyPressed = e.which;
    }

    //13 = ASCII code for Enter key //
    if (keyPressed == 13 && (document.getElementById("secLink")))
    {
        window.location.href = document.getElementById("gotoLink").value;
    }

}
/*
 * Name:
 *      setKeyWordParameters
 *
 * Description:
 *      function used to set the parameters for the  selction keyword from drop-down
 *
 * Preconditions/Input:

 *
 * Postconditions/Output:
 *      after setting the parameters it will call the showLink function.
 *
 * Stored Procedures:
 *      None
 *
 * Log:
 *  Dipak A.Basantani 04/10/2008
 */
function setKeyWordParameters(graphicId,stylePrefix,selectBoxId)
{
	var selectedKeyWordObject = document.getElementById(selectBoxId);
	var selectedKeyWord = selectedKeyWordObject[selectedKeyWordObject.selectedIndex].text;
	var selectedKeyWordId = selectedKeyWordObject[selectedKeyWordObject.selectedIndex].value;
	//declare global variable
	keyWordSelection = true;
	// call showlink
	showLink(selectedKeyWord,selectedKeyWordId,graphicId,stylePrefix,'');
	
}