// ************************
// layer utility routines *
// ************************

function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
  // W3C DOM
  return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
  // MSIE 4 DOM
  return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
  // NN 4 DOM.. note: this won't find nested layers
  return document.layers[objectId];
    } else {
  return false;
    }
} // getStyleObject

function changeObjectVisibility(objectId, newVisibility) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
  styleObject.visibility = newVisibility;
  return true;
    } else {
  // we couldn't find the object, so we can't change its visibility
  return false;
    }
} // changeObjectVisibility

function moveObject(objectId, newXCoordinate, newYCoordinate) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
  styleObject.left = newXCoordinate;
  styleObject.top = newYCoordinate;
  return true;
    } else {
  // we couldn't find the object, so we can't very well move it
  return false;
    }
} // moveObject

// ********************************

// application-specific functions *

// ********************************

// store variables to control where the popup will appear relative to the cursor position

// positive numbers are below and to the right of the cursor, negative numbers are above and to the left

var xOffset = -40;
var yOffset = 5;



function showPopup (targetObjectId, eventObj) {


    if(eventObj) {

    // hide any currently-visible popups

    hideCurrentPopup();

    // stop event from bubbling up any farther

    eventObj.cancelBubble = true;

    // move popup div to current cursor position 

    // (add scrollTop to account for scrolling for IE)

    var newXCoordinate = (eventObj.pageX)?eventObj.pageX + xOffset:eventObj.x + xOffset + ((document.body.scrollLeft)?document.body.scrollLeft:0);

    var newYCoordinate = (eventObj.pageY)?eventObj.pageY + yOffset:eventObj.y + yOffset + ((document.body.scrollTop)?document.body.scrollTop:0);

  // checking the position of Cursor Click


	newYCoordinate=newYCoordinate-60;


	if (navigator.appName=="Netscape"&&parseFloat(navigator.appVersion)<5.0)
	{
//		alert("This is Netscape 4.7+");
		if(newYCoordinate<200)
		{
			if(newXCoordinate<230)
			{
				newYCoordinate=newYCoordinate;
				newXCoordinate=newXCoordinate;
			}
			
			if(newXCoordinate>230 && newXCoordinate<350)
			{
				newYCoordinate=newYCoordinate-30;
				newXCoordinate=newXCoordinate-200;
			}
		
			if(newXCoordinate>350)
			{
				newYCoordinate=newYCoordinate;
				newXCoordinate=newXCoordinate-200;
			}
		}
		
		if(newYCoordinate>200 && newYCoordinate<300)
		{
			if(newXCoordinate<230)
			{

				newYCoordinate=newYCoordinate-100;
				newXCoordinate=newXCoordinate-100;
			}
			
			if(newXCoordinate>230 && newXCoordinate<350)
			{
				newYCoordinate=newYCoordinate-100;
				newXCoordinate=newXCoordinate-200;
			}
		
			if(newXCoordinate>350)
			{
				newYCoordinate=newYCoordinate-100;
				newXCoordinate=newXCoordinate-200;
			}
		}
		
		if(newYCoordinate>300 && newYCoordinate<450)
		{
			if(newXCoordinate<230)
			{
				newYCoordinate=newYCoordinate-200;
				newXCoordinate=newXCoordinate-50;
			}
			
			if(newXCoordinate>200 && newXCoordinate<350)
			{
				newYCoordinate=newYCoordinate-200;
				newXCoordinate=newXCoordinate-200;
			}

			if(newXCoordinate>350)
			{
				newYCoordinate=newYCoordinate-200;
				newXCoordinate=newXCoordinate-200;
			}
		}
	}



	if (navigator.appName=="Netscape"&&parseFloat(navigator.appVersion)>=5.0)
	{
//		alert("This is Netscape 6");
		
		if(newYCoordinate<200)
		{
			if(newXCoordinate<230)
			{
				newYCoordinate=newYCoordinate;
				newXCoordinate=newXCoordinate;
			}
			
			if(newXCoordinate>230 && newXCoordinate<350)
			{
				newYCoordinate=newYCoordinate-30;
				newXCoordinate=newXCoordinate-200;
			}
		
			if(newXCoordinate>350)
			{
				newYCoordinate=newYCoordinate;
				newXCoordinate=newXCoordinate-200;
			}
		}
		
		if(newYCoordinate>200 && newYCoordinate<300)
		{
			if(newXCoordinate<230)
			{

				newYCoordinate=newYCoordinate-100;
				newXCoordinate=newXCoordinate-100;
			}
			
			if(newXCoordinate>230 && newXCoordinate<350)
			{
				newYCoordinate=newYCoordinate-100;
				newXCoordinate=newXCoordinate-200;
			}
		
			if(newXCoordinate>350)
			{
				newYCoordinate=newYCoordinate-100;
				newXCoordinate=newXCoordinate-200;
			}
		}
		
		if(newYCoordinate>300 && newYCoordinate<450)
		{
			if(newXCoordinate<230)
			{
				newYCoordinate=newYCoordinate-200;
				newXCoordinate=newXCoordinate-50;
			}
			
			if(newXCoordinate>230 && newXCoordinate<350)
			{
				newYCoordinate=newYCoordinate-200;
				newXCoordinate=newXCoordinate-200;
			}

			if(newXCoordinate>350)
			{
				newYCoordinate=newYCoordinate-200;
				newXCoordinate=newXCoordinate-200;
			}
		}
	}


	if (navigator.appVersion.indexOf("MSIE 5.5")!=-1)
	{
//		alert("This is IE5.5!");
	}
	
	if (navigator.appVersion.indexOf("MSIE 5.0")!=-1)
	{
//		alert("This is IE5.0!");
	}
		
	version=0

	if (navigator.appVersion.indexOf("MSIE")!=-1)
	{
		temp=navigator.appVersion.split("MSIE");
		version=parseFloat(temp[1]);
		
		if (version<5.5) //NON IE browser will return 0
		{
//			alert("You're using IE5.0");
		if(newYCoordinate<200)
		{
			if(newXCoordinate<230)
			{
				newYCoordinate=newYCoordinate;
				newXCoordinate=newXCoordinate;
			}
			
			if(newXCoordinate>230 && newXCoordinate<350)
			{
				newYCoordinate=newYCoordinate-30;
				newXCoordinate=newXCoordinate-200;
			}
		
			if(newXCoordinate>350)
			{
				newYCoordinate=newYCoordinate;
				newXCoordinate=newXCoordinate-200;
			}
		}
		
		if(newYCoordinate>200 && newYCoordinate<300)
		{
			if(newXCoordinate<230)
			{
				newYCoordinate=newYCoordinate-100;
				newXCoordinate=newXCoordinate-130;
			}
			
			if(newXCoordinate>230 && newXCoordinate<350)
			{
				newYCoordinate=newYCoordinate-100;
				newXCoordinate=newXCoordinate-200;
			}
		
			if(newXCoordinate>350)
			{
				newYCoordinate=newYCoordinate-100;
				newXCoordinate=newXCoordinate-200;
			}
		}
		
		if(newYCoordinate>300 && newYCoordinate<450)
		{
			if(newXCoordinate<250)
			{
				newYCoordinate=newYCoordinate-200;
				newXCoordinate=newXCoordinate+15;
			}
			
			if(newXCoordinate>250 && newXCoordinate<350)
			{
				newYCoordinate=newYCoordinate-200;
				newXCoordinate=newXCoordinate-300;
			}

			if(newXCoordinate>350)
			{
				newYCoordinate=newYCoordinate-200;
				newXCoordinate=newXCoordinate-200;
			}
		}
		}
	
		if (version>=5.5) //NON IE browser will return 0
		{
			if (newYCoordinate>300 && newYCoordinate<500)
			{
				newYCoordinate = newYCoordinate-100;
			}
			if (newXCoordinate>380)
			{
				newXCoordinate = newXCoordinate-250;
			}
		}
	}
	
	else 
		{
			
			if (newYCoordinate>300 && newYCoordinate<500)
			{
				newYCoordinate = newYCoordinate-100;
			}
			if (newXCoordinate<250)
			{
				newXCoordinate = newXCoordinate+250;
			}
			if (newXCoordinate>380)
			{
				newXCoordinate = newXCoordinate-250;
			}
		}


    moveObject(targetObjectId, newXCoordinate, newYCoordinate);

    // and make it visible

    if( changeObjectVisibility(targetObjectId, 'visible') ) {

        // if we successfully showed the popup

        // store its Id on a globally-accessible object

        window.currentlyVisiblePopup = targetObjectId;

        return true;

    } else {

        // we couldn't show the popup, boo hoo!

        return false;

    }

    } else {

    // there was no event object, so we won't be able to position anything, so give up

    return false;

    }

}

// showPopup



function hideCurrentPopup() {

    // note: we've stored the currently-visible popup on the global object window.currentlyVisiblePopup

    if(window.currentlyVisiblePopup) {

    changeObjectVisibility(window.currentlyVisiblePopup, 'hidden');

    window.currentlyVisiblePopup = false;

    }

} // hideCurrentPopup







// ***********************

// hacks and workarounds *

// ***********************



// initialize hacks whenever the page loads

//window.onload = initializeHacks;



// setup an event handler to hide popups for generic clicks on the document

//document.onclick = hideCurrentPopup;



function initializeHacks() {

    // this ugly little hack resizes a blank div to make sure you can click

    // anywhere in the window for Mac MSIE 5

    if ((navigator.appVersion.indexOf('MSIE 5') != -1) 

    && (navigator.platform.indexOf('Mac') != -1)

    && getStyleObject('blankDiv')) {

    window.onresize = explorerMacResizeFix;

    }

    resizeBlankDiv();

    // this next function creates a placeholder object for older browsers

    createFakeEventObj();

}

function createFakeEventObj() {

    // create a fake event object for older browsers to avoid errors in function call

    // when we need to pass the event object to functions

    if (!window.event) {

    window.event = false;

    }

} // createFakeEventObj



function resizeBlankDiv() {

    // resize blank placeholder div so IE 5 on mac will get all clicks in window

    if ((navigator.appVersion.indexOf('MSIE 5') != -1) 

    && (navigator.platform.indexOf('Mac') != -1)

    && getStyleObject('blankDiv')) {

    getStyleObject('blankDiv').width = document.body.clientWidth - 20;

    getStyleObject('blankDiv').height = document.body.clientHeight - 20;

    }

}

function explorerMacResizeFix () {

    location.reload(false);

}