function contact()
{
		var myform=document.frmcontactus;
		if(myform.cname.value=="")
	{
		alert('Please enter your name.');
		myform.cname.focus();
		return false;
	}
	if(myform.cemail.value=="")
	{
		alert('Please enter your email.');
		myform.cemail.focus();
		return false;
	}
	var reg=/^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(myform.cemail.value==null||reg.test(myform.cemail.value)==false)
	{
		alert('Please enter correct email.');
		myform.cemail.focus();
		return false;
	}
		if(myform.cphone.value=="")
	{
		alert('Please enter your phone no.');
		myform.cphone.focus();
		return false;
	}
	if(myform.cphone.value==null|| !myform.cphone.value.toString().match(/^[-]?\d*\.?\d*$/))
	{
		alert('Please enter nomaric value for phone no.');
		myform.cphone.focus();
		return false;
	}
	if(myform.cquery.value=="")
	{
		alert('Please enter your query.');
		myform.cquery.focus();
		return false;
	}
return true;
}