// JavaScript Document
function pchange(img,id){	
	if(document.getElementById(id))	document.getElementById(id).src = img;	
}

var remote = null;
function remoteStart(url){
  remote = window.open(url,"","width=400,height=416,resizable=no,scrollbars=no,top=20,left=20");
}

function frmVal(name,val,str){
	if(val == 0){
		if(document.getElementById(name).value == str){
			document.getElementById(name).value = "";
		}
	} else if(val == 1){
		if(document.getElementById(name).value == ""){
			document.getElementById(name).value = str;
		}
	}
}

function echeck(str){ //Check email address
	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
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   alert("Invalid E-mail ID")
	   return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
	    alert("Invalid E-mail ID")
	    return false
	}
	 if (str.indexOf(at,(lat+1))!=-1){
	    alert("Invalid E-mail ID")
	    return false
	 }
	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
	    alert("Invalid E-mail ID")
	    return false
	 }
	 if (str.indexOf(dot,(lat+2))==-1){
	    alert("Invalid E-mail ID")
	    return false
	 }
	 if (str.indexOf(" ")!=-1){
	    alert("Invalid E-mail ID")
	    return false
	 }
 	return true					
}
function checkfrm(){
	var name  = document.contact.name;
	var email = document.contact.email;
	if((name.value=="")||(name.value==null)){
		alert("Please enter your name!");
		name.focus();
		return false;	
	}else if ((email.value==null)||(email.value=="")){
		alert("Please enter your email ID!");
		email.focus()
		return false
	}else if(echeck(email.value)==false){
		email.value="";
		email.focus();
		return false;
	}
	return true;
}
function checkrequest(){
	var name  = document.requests.name;
	var email = document.requests.email;
	if((name.value=="")||(name.value==null)){
		alert("Please enter your name!");
		name.focus();
		return false;	
	}else if ((email.value==null)||(email.value=="")){
		alert("Please enter your email ID!");
		email.focus()
		return false
	}else if(echeck(email.value)==false){
		email.value="";
		email.focus();
		return false;
	}
	return true;
}