function ShowElement(sParentId,sElementId,sAction) {

    if (sElementId.tagName) {
        // sElementId is actually an element object.
        rdShowSingleElement(sElementId,sAction)

    } else {
	    var sIds = sElementId.split(",")
	    for (k=0; k < sIds.length; k++) {

            var sId = sIds[k]
            //When in a data table, the sParentID will have a row number.
            //It gets appended to the ID of the element so that only that row is affected.
            //Adjust the indexOf value to look for the lastIndexOf in case the user has placed _Row
            //as part of the ID.
            if (sParentId) {
                if (sParentId.lastIndexOf("_Row") != -1) {
                    //Get the precise row of the parent. -jev
                    var row = sParentId.substr(sParentId.lastIndexOf("_Row"))
                    if (sId.indexOf(row) == -1) {
                        sId = sId + "_Row" + sParentId.substr(sParentId.lastIndexOf("_Row") + 4)
                    }
                }
            }

            var c = document.getElementById(sId);

            if (c==null) {
                  if (sId.indexOf("_Row") != -1) {
                        c = document.getElementById(sId.substr(0,sId.lastIndexOf("_Row")));
                  }
            }
    		
		    if (c==null) {
			    alert ("Unable to find the element with the ID value " + sId + ".")
			    return
		    }
		    
		    if (c.id.indexOf("rdCollapsibleGroupStart")!=-1){
		        rdShowCollapsibleGroups(c,sAction)
		    }else{
		        //Standard path:
   		        rdShowSingleElement(c,sAction,sId)
   		    }
    		
	    } //Next ID.
	}
	
	if (typeof window.rdRepositionSliders != 'undefined') {
		//Move CellColorSliders, if there are any.
		rdRepositionSliders()
	}
}


function rdShowSingleElement(c,sAction,sId) {
    //Show a single element.  "c" is the element itself.
	if(c.nodeName == "COL" && navigator.product == "Gecko" && navigator.productSub && navigator.productSub > "20041010" && (navigator.userAgent.indexOf("rv:1.8") != -1 || navigator.userAgent.indexOf("rv:1.9") != -1)) {
		//Allow table column hiding for Mozilla.
		c.style.display=""
		if (sAction=="Show"){
			c.style.visibility="";
		}else if (sAction=="Hide") {
			c.style.visibility="collapse";
		} else {
			c.style.visibility=(c.style.visibility=="" ? "collapse":"");  //Toggle.
		}
	} else {
		if (sAction=="Show"){
			c.style.display="";
		}else if (sAction=="Hide") {
			c.style.display="none";
		} else {
			c.style.display=(c.style.display=="" ? "none":"");  //Toggle.
		}
	}
	
	if (sId) {
	    var rdShowElementHistory = document.getElementById("rdShowElementHistory")
	    if (rdShowElementHistory) {
		    rdShowElementHistory.value = rdShowElementHistory.value + sId + "=" + (c.style.display=="" ? "Show":"Hide") + ","
	    }
	}
	
	if (c.style.display != "none") {
		
		//Special handling for any IFrame subelements.
		//Set the SRC attribute of all subordinate IFrames so that the requested pages are downloaded now.
		
		cFrames = c.getElementsByTagName("IFRAME");
		for (var i = 0; i < cFrames.length; i++) 
		{
			var cFrame = cFrames[i];
			if (isParentVisible(cFrame,c)) 
			{
				if (true) 
				{
					var sSrc = cFrame.getAttribute("HiddenSource");
					if (sSrc != null) {   //There is no HiddenSource if the element was initiall visible.
						if (cFrame.getAttribute("src") == null) {   //For nonIE
							cFrame.setAttribute("src", sSrc + "&rdRnd=" + Math.floor(Math.random() * 100000));
						}										    //For IE.
						if (cFrame.getAttribute("src").indexOf(sSrc) == -1) {
							cFrame.setAttribute("src", sSrc + "&rdRnd=" + Math.floor(Math.random() * 100000));
						}
					}
				} 
				else {
					if (cFrame.height < 2) {
						cFrame.src = cFrame.src;  // The frame hasn't been shown yet.  Refresh it.
					}
				}
			}
		}
	}

	//More special IFrame handling.  If this page is in a frame,
	//the frame needs to be resized from the parent window.
	if (frameElement) {
		if (frameElement.contentWindow) {
			if (parent.iframeResize) {
				parent.iframeResize(frameElement)
			}
		}
	}


}

function isParentVisible(cChild,cShowing) {
	// See if there are any parent elements, above the element that we're showing,
	// that are invisible.  Don't want to load an IncludeFrame in that case.
	//var cParent = cChild.parentElement
	var cParent = cChild.parentNode
	while (cParent.id != cShowing.id) {
		if (cParent.style.display == "none") {
			return false 
		} 
		cParent = cParent.parentNode
	}
	return true
}


function rdShowElementsFromHistory() {
	var hiddenShowElementHistory = document.getElementById("rdShowElementHistory")
	if (hiddenShowElementHistory) {
		var sHistory = hiddenShowElementHistory.value
		var sEvents = sHistory.split(",")
		for (i=0; i < sEvents.length; i++) {
			var sElementID = sEvents[i].split("=")[0]
			var sAction = sEvents[i].split("=")[1]
			if (document.getElementById(sElementID)) {
				ShowElement(null,sElementID,sAction)
			}
		}
		hiddenShowElementHistory.value = sHistory
	}
}

function rdColumnDisplayVisibility() {
	if(navigator.product == "Gecko" && navigator.productSub && navigator.productSub > "20041010" && (navigator.userAgent.indexOf("rv:1.8") != -1 || navigator.userAgent.indexOf("rv:1.9") != -1)) {
		var cCols = document.getElementsByTagName("COL")
		for (var i = 0; i < cCols.length; i++) {
		    if (cCols[i].style.display == "none") {
			    cCols[i].style.display = null
			    cCols[i].style.visibility = "collapse"
		    }
		}
	}
}

function rdShowCollapsibleGroups(c,sAction) {
    //Showing or hiding?
    var sCollapseAction
    if (sAction=="Toggle"){
        if (c.getAttribute("rdGroupCollapsed")=="True"){
            c.setAttribute("rdGroupCollapsed","False")
            sCollapseAction="Show"
        }else{
            c.setAttribute("rdGroupCollapsed","True")
            sCollapseAction="Hide"
        }
    }
    //Look for TR elements to hide or show.
    var sEndId = c.id.replace("rdCollapsibleGroupStart","rdCollapsibleGroupEnd")
    sEndId = sEndId.substr(0,sEndId.lastIndexOf("_Row"))
    var cSibling = c.nextSibling 
    while (cSibling) {  
        if (cSibling.id==sEndId){
            return
        }
        if (cSibling.tagName=="TR"){
            if (cSibling.id.indexOf("rdCollapsibleGroup")!=0) {
                var nCollapseCnt = parseInt(0+cSibling.getAttribute("rdCollapseCnt"))
                if (sCollapseAction=="Hide"){
                    nCollapseCnt += 1
                }else{
                    nCollapseCnt -= 1
                }
                if (nCollapseCnt > 0) {
                    rdShowSingleElement(cSibling,"Hide")
                }else{
                    rdShowSingleElement(cSibling,"Show")
                }
                cSibling.setAttribute("rdCollapseCnt",nCollapseCnt)
            }
        }
        cSibling = cSibling.nextSibling    
    } 

}