function getElementLeft(Elem) {
	
		var elem;
		if(document.getElementById) {
			var elem = document.getElementById(Elem);
		} else if (document.all){
			var elem = document.all[Elem];
		}
		xPos = elem.offsetLeft;
		tempEl = elem.offsetParent;
  		while (tempEl != null) {
  			xPos += tempEl.offsetLeft;
	  		tempEl = tempEl.offsetParent;
  		}
		return xPos;
	
}

function setBackgroundPosition()
{
    var left;
    var right;  
    var val = navigator.userAgent.toLowerCase();

        left=getElementLeft('ShadowPage')- 115;
        right=getElementLeft('ShadowPage') + 975 ;

    var body=document.getElementById('Body');
    var mainbody=document.getElementById('mainbody');
    body.style.backgroundPosition= left + "px 0";    
    mainbody.style.backgroundPosition= right + "px 0";    
   
}


/* show and hide tag*/
function show(objid)
{                  
    var  obj=document.getElementById(objid);
    if(obj.style.display=='block')
    {
        obj.style.display='none';
    }
    else
    {
        obj.style.display='block';            
    }
    
}