function winheight()
{	
	var x = getDocHeight();
	//alert(x);
	
	document.getElementById('menu_below').style.top = (x-235) + 'px';
	
}

function slidemenu()
{
	//document.getElementById('submenu').style.height=(document.getElementById('submenu').style.height + 10)+ 'px';
	if (parseInt(document.getElementById('cnt').style.height) < 170 )
	{
	document.getElementById('cnt').style.height = parseInt(document.getElementById('cnt').style.height)+5+'px';
	}
}
function displaymenu()
{

	if (document.getElementById('submenu').style.display=="none")
	{
		document.getElementById('submenu').style.display='block';
		document.getElementById('cnt').style.height = 20+'px';
		setInterval("slidemenu()",100);
	}
	else
	{
		document.getElementById('submenu').style.display='none';
	}

}

function displaymenuprop()
{
		document.getElementById('submenu').style.display='block';
}

function displaymenupropout()
{
		document.getElementById('submenu').style.display='none';
}

function getDocHeight() {
    var D = document;
    return Math.max(
        Math.max(D.body.scrollHeight, D.documentElement.scrollHeight),
        Math.max(D.body.offsetHeight, D.documentElement.offsetHeight),
        Math.max(D.body.clientHeight, D.documentElement.clientHeight)
    );
}

function formvalidate()
{
	var dm= document.sendmail;
	var str = "";	
	
	str = dm.txtname.value;
	if (str.split(' ').join('')=="")
	{
		alert ("Please enter your name ");
		str="";
		dm.txtname.focus();
		return false;
	}
	str = dm.txtmail.value;
	if (str.split(' ').join('')=="")
	{
		alert ("Please enter your email ");
		str="";
		dm.txtmail.focus();
		return false;
	}
	str = dm.txtmessage.value;
	if (str.split(' ').join('')=="")
	{
		alert ("Please enter message ");
		str="";
		dm.txtmessage.focus();
		return false;
	}
	
	dm.formval.value="s";
	dm.submit();
}

function validate_change_password()
{
	var dm1 = document.changepwd;
	var str="";
	
	str = dm1.oldpwd.value;
	if (str.split(' ').join('')=="")
	{
		alert ("Please enter old password ");
		str="";
		dm1.oldpwd.focus();
		return false;
	}
	
	str = dm1.newpwd.value;
	if (str.split(' ').join('')=="")
	{
		alert ("Please enter new password ");
		str="";
		dm1.newpwd.focus();
		return false;
	}
	dm1.formval.value = "s";
	dm1.submit();
}