function check_form() {
	var error=0;

	var txtname_value=trim(document.getElementById('txtname').value);
	document.getElementById('txtname').value=txtname_value;
	var txtname_div=document.getElementById('txtname_div');
	if((txtname_value=="")||(txtname_value=="Name")) {
		error=1;	
		txtname_div.innerHTML="<font color=red>Please enter your name</font>";
	} else txtname_div.innerHTML="";
	
	var txtemail_value=trim(document.getElementById('txtemail').value);
	document.getElementById('txtemail').value=txtemail_value;
	var txtemail_div=document.getElementById('txtemail_div');
	if((txtemail_value=="")||(txtemail_value=="Email")) {
		error=2;	
		txtemail_div.innerHTML="<font color=red>Please enter your email</font>";
	} else {
		if(echeck(txtemail_value,txtemail_div))	txtemail_div.innerHTML="";
		else error=2;
	}
	
	var txtphone_value=trim(document.getElementById('txtphone').value);
	document.getElementById('txtphone').value=txtphone_value;
	var txtphone_div=document.getElementById('txtphone_div');
	if((txtphone_value=="")||(txtphone_value=="Phone")) {
		error=3;	
		txtphone_div.innerHTML="<font color=red>Please enter your phone number</font>";
	} else txtphone_div.innerHTML="";

	var txtreq_value=trim(document.getElementById('txtreq').value);
	document.getElementById('txtreq').value=txtreq_value;
	var txtreq_div=document.getElementById('txtreq_div');
	if((txtreq_value=="")||(txtreq_value=="Your Requirement")) {
		error=4;	
		txtreq_div.innerHTML="<font color=red>Please enter your requirement</font>";
	} else txtreq_div.innerHTML="";

	if(error) return false;
	else return true;
}


function check_form2() {
	var error=0;

	var txtname_value=trim(document.getElementById('txtname').value);
	document.getElementById('txtname').value=txtname_value;
	var txtname_div=document.getElementById('txtname_div');
	if((txtname_value=="")||(txtname_value=="Name")) {
		error=1;	
		txtname_div.innerHTML="<font color=red>Please enter your name</font>";
	} else txtname_div.innerHTML="";
	
	var txtemail_value=trim(document.getElementById('txtemail').value);
	document.getElementById('txtemail').value=txtemail_value;
	var txtemail_div=document.getElementById('txtemail_div');
	if((txtemail_value=="")||(txtemail_value=="Email")) {
		error=2;	
		txtemail_div.innerHTML="<font color=red>Please enter your email</font>";
	} else {
		if(echeck(txtemail_value,txtemail_div))	txtemail_div.innerHTML="";
		else error=2;
	}
	
	var selApply_value=trim(document.getElementById('selApply').value);
	document.getElementById('selApply').value=selApply_value;
	var selApply_div=document.getElementById('selApply_div');
	if((selApply_value=="")||(selApply_value=="Phone")) {
		error=3;	
		selApply_div.innerHTML="<font color=red>Please select applied for</font>";
	} else selApply_div.innerHTML="";

	var txtcomment_value=trim(document.getElementById('txtcomment').value);
	document.getElementById('txtcomment').value=txtcomment_value;
	var txtcomment_div=document.getElementById('txtcomment_div');
	if((txtcomment_value=="")||(txtcomment_value=="Your Requirement")) {
		error=4;	
		txtcomment_div.innerHTML="<font color=red>Please enter your comments</font>";
	} else txtcomment_div.innerHTML="";

	if(error) return false;
	else return true;
}


function trim(string) {
	var a = string.replace(/^\s+/, '');
	return a.replace(/\s+$/, '')
}
function echeck(str,div_object) {
		var member_email_div=div_object;
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   member_email_div.innerHTML="<font color='red'>invalid email id</font>";
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   member_email_div.innerHTML="<font color='red'>invalid email id</font>";
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   member_email_div.innerHTML="<font color='red'>invalid email id</font>";
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   member_email_div.innerHTML="<font color='red'>invalid email id</font>";
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   member_email_div.innerHTML="<font color='red'>invalid email id</font>";
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   member_email_div.innerHTML="<font color='red'>invalid email id</font>";
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		   member_email_div.innerHTML="<font color='red'>invalid email id</font>";
		    return false
		 }

 		 return true					
	}