function resetlogin() {
document.getElementById('userreg').style.display="none";
document.getElementById('regtitle').style.display="none";
document.getElementById('userlog').style.display="inline";
document.getElementById('logtitle').style.display="inline";
}
function resetregister() {
document.getElementById('userreg').style.display="inline";
document.getElementById('regtitle').style.display="inline";
document.getElementById('userlog').style.display="none";
document.getElementById('logtitle').style.display="none";
}
function chkselectall(indx)
{
	
	var abc=document.getElementById('chkselect')
	if(abc.checked)
	{
		var i=0;
		for(i=0;i<indx;i++)
		{
			var chkid='chkemail['+i+']';
			document.getElementById(chkid).checked="checked";
			
		}
	}
	else
	{
		var i=0;
		for(i=0;i<indx;i++)
		{
			var chkid='chkemail['+i+']';
			document.getElementById(chkid).checked="";
			
		}
	}

}
function chkdiselectall()
{
	
	var abc=document.getElementById('chkselect');
	abc.checked="";
}
function aftermessagesend(form)
{
	//alert("hai");
	form.msg_subject.value="";
	form.msg_message.value="";
	//var sendmsg=document.getElementById('sendMessage');
	//sendmsg.style.display="none";
	//document.getElementById("sendMessage").style.display="none";
}
function limitselectiontofive(optionid,totalnumberofoptions)
{
	//alert("Option id==="+optionid+"totalnumberofoptions"+totalnumberofoptions);
	var j=0;
	var i=0;
	for(i=0;i<totalnumberofoptions;i++)
	{
		var idofoption=optionid+i;	
		//alert(document.getElementById(idofoption).selected);
		if(document.getElementById(idofoption).selected )
		{
			j=j+1;
			if(j>5)
			{
					
					document.getElementById(idofoption).selected="";
					//disablemorethanfive(optionid,totalnumberofoptions);
				
			}
					//alert("one is checked");
		}
		
	}
	if(j>5)
	{
		alert("You can select only 5 elements");
	}
	/*if(j<5)
	{
		reenablealloptions(optionid,totalnumberofoptions);
	}*/
}


function disablemorethanfive(optionid,totalnumberofoptions)
{
	
		var j=0;
	var i=0;
	for(i=0;i<totalnumberofoptions;i++)
	{
		var idofoption=optionid+i;	
		//alert(document.getElementById(idofoption).selected);
		if(document.getElementById(idofoption).selected )
		{
			
		}
		else
		{
			document.getElementById(idofoption).disabled=true;
		}
	}
	
}


function reenablealloptions(optionid,totalnumberofoptions)
{
	alert("Renabling");
	var i=0;
	for(i=0;i<totalnumberofoptions;i++)
	{
			document.getElementById(idofoption).disabled = false;
	}
	
}