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//Region Global Variables

var skm_SelectedMenuStyleInfos=new Object();

var skm_UnselectedMenuStyleInfos=new Object();

var skm_MenuFadeDelays=new Object();

var skm_clockValue=0;

var skm_ticker;

var skm_highlightTopMenus=new Object();

var skm_images=new Array();

var skm_OpenMenuItems = new Array();

//EndRegion

//Region Methods to hook up a menu to the global variables

function skm_registerMenu(menuID, selectedStyleInfo, unselectedStyleInfo, menuFadeDelay, highlightTopMenu){

	skm_SelectedMenuStyleInfos[menuID]=selectedStyleInfo;

	skm_UnselectedMenuStyleInfos[menuID]=unselectedStyleInfo;

	skm_MenuFadeDelays[menuID]=menuFadeDelay;

	skm_highlightTopMenus[menuID]=highlightTopMenu;

}

//Region The methods and contructor of the skm_styleInfo object.

function skm_applyStyleInfoToElement(element){

	element.style.backgroundColor=this.backgroundColor;

	element.style.borderColor=this.borderColor;

	element.style.borderStyle=this.borderStyle;

	element.style.borderWidth=this.borderWidth;

	element.style.color=this.color;

	if (this.fontFamily!='')

		element.style.fontFamily=this.fontFamily;

	element.style.fontSize=this.fontSize;

	element.style.fontStyle=this.fontStyle;

	element.style.fontWeight=this.fontWeight;

	if (this.className!='')

		element.style.className=this.className;

}

function skm_styleInfo(backgroundColor,borderColor,borderStyle,borderWidth,color,fontFamily,fontSize,fontStyle,fontWeight,className){

	this.backgroundColor=backgroundColor;

	this.borderColor=borderColor;

	this.borderStyle=borderStyle;

	this.borderWidth=borderWidth;

	this.color=color;

	this.fontFamily=fontFamily;

	this.fontSize=fontSize;

	this.fontStyle=fontStyle;

	this.fontWeight=fontWeight;

	this.className=className;

	this.applyToElement=skm_applyStyleInfoToElement;

}

//Region MouseEventHandlers

function skm_mousedOverMenu(menuID,elem,parent,displayedVertically,imageSource){

	skm_stopTick();

	skm_closeSubMenus(elem);

	var childID=elem.id+"-subMenu";  // Display child menu if needed

	if (document.getElementById(childID)!=null){  // make the child menu visible and specify that its position is specified in absolute coordinates

		document.getElementById(childID).style.display='block';

		document.getElementById(childID).style.position='absolute';

		skm_OpenMenuItems = skm_OpenMenuItems.concat(childID);

		if (displayedVertically){ // Set the child menu's left and top attributes according to the menu's offsets

			document.getElementById(childID).style.left=skm_getAscendingLefts(parent)+parent.offsetWidth;

			document.getElementById(childID).style.top=skm_getAscendingTops(elem);

			var visibleWidth=parseInt(window.outerWidth?window.outerWidth-9:document.body.clientWidth,10);

			if ((parseInt(document.getElementById(childID).offsetLeft,10)+parseInt(document.getElementById(childID).offsetWidth,10))>visibleWidth) {

				document.getElementById(childID).style.left=visibleWidth-parseInt(document.getElementById(childID).offsetWidth,10);

			}

		}else{  // Set the child menu's left and top attributes according to the menu's offsets

			document.getElementById(childID).style.left=skm_getAscendingLefts(elem);

			document.getElementById(childID).style.top=skm_getAscendingTops(parent)+parent.offsetHeight;

			if (document.getElementById(childID).offsetWidth<elem.offsetWidth)

				document.getElementById(childID).style.width=elem.offsetWidth;

		}

	}

	if (skm_SelectedMenuStyleInfos[menuID] != null) skm_SelectedMenuStyleInfos[menuID].applyToElement(elem);

	if (skm_highlightTopMenus[menuID]){

		var eId=elem.id+'';

		while (eId.indexOf('-subMenu')>=0){

			eId=eId.substring(0, eId.lastIndexOf('-subMenu'));

			skm_SelectedMenuStyleInfos[menuID].applyToElement(document.getElementById(eId));

		}

	}	

	if (imageSource!=''){

		setimage(elem,imageSource)

	}

}

function skm_mousedOverClickToOpen(menuID,elem,parent,imageSource){

	skm_stopTick();

	if (skm_SelectedMenuStyleInfos[menuID] != null) skm_SelectedMenuStyleInfos[menuID].applyToElement(elem);

	if (skm_highlightTopMenus[menuID]){

		var eId=elem.id+'';

		while (eId.indexOf('-subMenu')>=0){

			eId=eId.substring(0, eId.lastIndexOf('-subMenu'));

			skm_SelectedMenuStyleInfos[menuID].applyToElement(document.getElementById(eId));

		}

	}	

	if (imageSource!=''){

		setimage(elem,imageSource)

	}

}

function skm_mousedOverSpacer(menuID,elem,parent){

	skm_stopTick();

}

function skm_mousedOutMenu(menuID,elem,imageSource){

	skm_doTick(menuID);

	if (skm_UnselectedMenuStyleInfos[menuID] != null) skm_UnselectedMenuStyleInfos[menuID].applyToElement(elem);

	if (skm_highlightTopMenus[menuID]){

		var eId=elem.id+'';

		while (eId.indexOf('-subMenu')>=0){

			eId=eId.substring(0, eId.lastIndexOf('-subMenu'));

			skm_UnselectedMenuStyleInfos[menuID].applyToElement(document.getElementById(eId));

		}

	}

	if (imageSource!=''){

		setimage(elem,imageSource)

	}

}

function skm_mousedOutSpacer(menuID, elem){

	skm_doTick(menuID);

}

//Region Utility Functions

function skm_closeSubMenus(parent){

	if (skm_OpenMenuItems == "undefined") return;

	for (var i=skm_OpenMenuItems.length-1; i>-1;i--) {

		if (parent.id.indexOf(skm_OpenMenuItems[i]) != 0) {

			document.getElementById(skm_OpenMenuItems[i]).style.display = 'none';

			skm_shimSetVisibility(false, skm_OpenMenuItems[i]);

			skm_OpenMenuItems = new Array().concat(skm_OpenMenuItems.slice(0, i), skm_OpenMenuItems.slice(i+1));

  		} 

	}

}

function skm_shimSetVisibility(makevisible, tableid){

	var tblRef=document.getElementById(tableid);

	var IfrRef=document.getElementById('shim'+tableid);

	if (tblRef!=null && IfrRef!=null){

		if(makevisible){

			IfrRef.style.width=tblRef.offsetWidth;

			IfrRef.style.height=tblRef.offsetHeight;

			IfrRef.style.top=tblRef.style.top;

			IfrRef.style.left=tblRef.style.left;

			IfrRef.style.zIndex=tblRef.style.zIndex-1;

			IfrRef.style.display="block";

		}else{

			IfrRef.style.display="none";

		}

	}

}

function skm_IsSubMenu(id){

	if(typeof(skm_subMenuIDs)=='undefined') return false;

	for (var i=0;i<skm_subMenuIDs.length;i++)

	  if (id==skm_subMenuIDs[i]) return true;

	return false;

}

function skm_getAscendingLefts(elem){

	if (elem==null)

		return 0;

	else

	{

		if ((elem.style.position=='absolute' || elem.style.position=='relative') && !skm_IsSubMenu(elem.id)) return 0;

		return elem.offsetLeft+skm_getAscendingLefts(elem.offsetParent);

	}

}

function skm_getAscendingTops(elem){

	if (elem==null)

		return 0;

	else {

		if ((elem.style.position=='absolute' || elem.style.position=='relative') && !skm_IsSubMenu(elem.id)) return 0;

		return elem.offsetTop+skm_getAscendingTops(elem.offsetParent);

	}

}

//Region Fade Functions

function skm_doTick(menuID){

	if (skm_clockValue>=skm_MenuFadeDelays[menuID]){

		skm_stopTick();

		skm_closeSubMenus(document.getElementById(menuID));

	} else {

		skm_clockValue++;

		skm_ticker=setTimeout("skm_doTick('"+menuID+"');", 500);

	}

}

function skm_stopTick(){

	skm_clockValue=0;

	clearTimeout(skm_ticker);

}

function preloadimages(){

	for (i=0;i<preloadimages.arguments.length;i++){

		skm_images[i]=new Image();

		skm_images[i].src=preloadimages.arguments[i];

	}

}

function setimage(elem,imageSource){

	var i=elem.getElementsByTagName("img")[0];

	i.src=imageSource;

}

//-->