var memobj = new Array();

function syncheight(obj){

	if(obj)
	{
		obj.style.height=obj.contentWindow.document.body.scrollHeight;
	}
	else
	{
		while(memobj.length>0)
		{
			memobj[0].style.height=memobj[0].contentWindow.document.body.scrollHeight;
			memobj.shift();
		}
	}
}

function piframe_height(){

	document.all.edu_view.style.height = document.all.edu_view.contentWindow.document.body.scrollHeight;
}

function viewsmallframe(){
	
	var tmptr = event.srcElement.parentNode.parentNode.nextSibling;
	tmptr.style.display = tmptr.style.display=='none'?'':'none';
	memobj[memobj.length] = tmptr.cells(0).childNodes(0);
	memobj[memobj.length] = parent.document.getElementById('mainframe');
	setTimeout("syncheight()",1);
}