function valid() {
	if(document.rfq.Name.value=='') {
		alert("Please Input Name.");
		document.rfq.Name.focus();
		return false;
	}

	if(document.rfq.Email.value=='') {
		alert("Please Input Email Address.");
		document.rfq.Email.focus();
		return false;
	}
	
	if(echeck(document.rfq.Email.value)==false) {
		document.rfq.Email.value=''
		document.rfq.Email.focus();
		return false;
	}

	if(document.rfq.Company.value=='') {
		alert("Please Input Company Name.");
		document.rfq.Company.focus();
		return false;
	}
	
	if(document.rfq.aboutus.value=='') {
		alert("Please Select where did you heard About Us.");
		document.rfq.aboutus.focus();
		return false;
	}

	if(document.rfq.projdesc.value=='') {
		alert("Please Input Project Description.");
		document.rfq.projdesc.focus();
		return false;
	}
	
	if(document.getElementById("radio").checked == false && document.getElementById("radio1").checked == false && document.getElementById("radio2").checked == false) {
		alert("Please Select Starting time for your Project.");
		document.getElementById("radio").focus();
		return false;
	}

	
	if(document.rfq.code.value=='') {
		alert("Please Input Text Code.");
		document.rfq.code.focus();
		return false;
	}

}

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
	}
	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					
}