function frmValidation(myForm){
	if(myForm.name.value==""){
		alert("Enter Your Name");
		myForm.name.focus();
		return false;
	}else if(myForm.email.value=="" || myForm.email.value==null){
		alert("Enter Your Email Address");
		myForm.email.focus();
		return false;
	}else if(myForm.comment.value==""){
		alert("Please Enter Your Message");
		myForm.comment.focus();
		return false;
	}else if(myForm.address.value==""){
		alert("Please Enter Your Address");
		myForm.address.focus();
		return false;
	}else if(myForm.phone.value==""){
		alert("Please Enter Your Phone No.");
		myForm.phone.focus();
		return false;
	}
	return true;
}

function numeric_check(event){
	if((event.keyCode<46|| event.keyCode>57)  && (event.keyCode<37 || event.keyCode>40) && (event.keyCode!=8) && (event.keyCode!=127)  && (event.keyCode!=9) && (event.keyCode<96 || event.keyCode>105)) 
		return event.returnValue=false;
}
function char_check(event){	
		if((event.keyCode<65 || event.keyCode>90) && (event.keyCode!=32) && (event.keyCode!=8) && (event.keyCode!=127)  && (event.keyCode!=9)  && (event.keyCode<37 || event.keyCode>40) && (event.keyCode!=46) )
		return event.returnValue=false;
}

function echeck(str,myForm){
	var at="@";
	var dot=".";
	var lat=str.indexOf(at);
	var lstr=str.length;
	var ldot=str.indexOf(dot);
	if(myForm.email.value=="" || myForm.email.value==null){
		alert("Enter Your Email Address");
		myForm.email.focus();
		return false;
	}else if (str.indexOf(at)==-1){
	   alert("Invalid E-mail ID");
	   myForm.email.focus();
	   return false;
	}else if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   alert("E-mail ID must have @");
		myForm.email.focus();
	   return false;
	}else if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		alert("Invalid E-mail ID");
		myForm.email.focus();
		return false;
	}else if (str.indexOf(at,(lat+1))!=-1){
		alert("Invalid E-mail ID");
		myForm.email.focus();
		return false;
	}else if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		alert("Invalid E-mail ID");
		myForm.email.focus();
		return false;
	}else if (str.indexOf(dot,(lat+2))==-1){
		alert("Invalid E-mail ID");
		myForm.email.focus();
		return false;
	}else if (str.indexOf(" ")!=-1){
		alert("Invalid E-mail ID");
		myForm.email.focus();
		return false;
	}
    return true;					
}