// JavaScript Document

function show_hide_masthead_inner(imgID,divID,imgsrcname)
{//alert(imgsrcname+"==="+document.getElementById(imgID).src.replace('%20',' '));
	if(document.getElementById(imgID).src.replace('%20',' ').indexOf("images/"+imgsrcname+"_up") >0)
	{
		//document.getElementById(imgID).src="images/"+imgsrcname+"_dwn.gif";
		//document.getElementById(divID).style.display="none";
		slideup(divID);
		document.getElementById(imgID).src="images/"+imgsrcname+"_dwn.gif";
	}
	else
	{
		//document.getElementById(imgID).src="images/"+imgsrcname+"_up.gif";
		//document.getElementById(divID).style.display="block";
		slidedown(divID)
		document.getElementById(imgID).src="images/"+imgsrcname+"_up.gif";
	}
}
var timerlen = 5;
var slideAniLen = 550;

var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();

//function show_hide_masthead_innerP(imgID,divID,imgsrcname)
//{//alert(imgsrcname+"==="+document.getElementById(imgID).src.replace('%20',' '));
//	if(document.getElementById(imgID).src.replace('%20',' ').indexOf("images/"+imgsrcname+"_up") >0)
//	{
//		slideup(divID);
//		document.getElementById(imgID).src="images/"+imgsrcname+"_dwn.gif";
//		//document.getElementById(divID).style.display="none";
//		
//	}
//	else
//	{
//	slidedown(divID)
//		document.getElementById(imgID).src="images/"+imgsrcname+"_up.gif";
//		
//		//document.getElementById(divID).style.display="block";
//	}
//}

function slidedown(objname){

        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display != "none")
                return; // cannot slide down something that is already visible

        moving[objname] = true;
        dir[objname] = "down";
        startslide(objname);
}

function slideup(objname){
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display == "none")
                return; // cannot slide up something that is already hidden

        moving[objname] = true;
        dir[objname] = "up";
        startslide(objname);
}

function startslide(objname){

        obj[objname] = document.getElementById(objname);
        //alert(parseInt(document.getElementById(objname).offsetHeight));
        endHeight[objname] = parseInt(obj[objname].style.height);
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "down"){
                obj[objname].style.height = "1px";
                //obj[objname].style.width = "1px";
               
        }

        obj[objname].style.display = "block";

        timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){

        var elapsed = (new Date()).getTime() - startTime[objname];
 
        if (elapsed > slideAniLen)
                endSlide(objname)
        else {
                var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
                if(dir[objname] == "up")
                        d = endHeight[objname] - d;

                obj[objname].style.height = d + "px";
                //obj[objname].style.width = d + "px";
                      
        }

        return;
}

function endSlide(objname){

        clearInterval(timerID[objname]);

        if(dir[objname] == "up")
                obj[objname].style.display = "none";

        obj[objname].style.height = endHeight[objname] + "px";
       // obj[objname].style.width = endHeight[objname] + "px";

        delete(moving[objname]);
        delete(timerID[objname]);
        delete(startTime[objname]);
        delete(endHeight[objname]);
        delete(obj[objname]);
        delete(dir[objname]);

        return;
}