function doReset(){
	form1.reset();
}
	
function doSubmit(){
	if ( validate()) {
		form1.submit(true);
	}	
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID");
		   return false;
		}

		else if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID");
		   return false;
		}

		else if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID");
		    return false;
		}

		else if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		}

		else if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID");
		    return false;
		}

		else if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID");
		    return false;
		}
		
		else if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		}
		
		else {
 		return true;
		}
}
	
function validate()	{
	if(document.form1.txtFname.value==""){
		alert("Please provide your first name");
		document.form1.txtFname.focus();
		return false;
	}
	
	
	else if(document.form1.txtSname.value==""){
		alert("Please provide your sur name");
		document.form1.txtSname.focus();
		return false;
	}
	
	else if (echeck(document.form1.txtEmail.value)==false){
		document.form1.txtEmail.focus();
		return false;
	}  
	
	else if(document.form1.txtTelephone.value==""){
		alert("Please provide your phone number");
		document.form1.txtTelephone.focus();
		return false;
	}
	
	
	else if(document.form1.txtSubject.value==""){
		alert("Please write subject of your query.");
		document.form1.txtSubject.focus();
		return false;
	}

	
	else if(document.form1.txtComments.value==""){
		alert("Please write your comments.");
		document.form1.txtComments.focus();
		return false;
	}
		
	else{
		return true;
	}
}