function checkall() {
if( document.sam.fname.value=="")
{alert("Please fill in your name")
document.sam.fname.focus();
return false
}

if (document.sam.email.value=="")
{
alert("Enter your E-mail.")
document.sam.email.focus();
return false
}
t=document.sam.email.value;
p=t.indexOf("@");
d=t.indexOf(".");
if(p<1||d<1)
{
	alert ("invalid E-mail I.D");
	document.sam.email.focus();
	return false
}
if( document.sam.company.value=="")
{alert("Please fill in the name of your company")
document.sam.company.focus();
return false
}

if(document.sam.phone_no.value=="")
{	alert("Please fill in your Phone No.")
	document.sam.phone_no.focus();
	return false
}
else
{
	if(document.sam.phone_no.value != '') {
		inputStr = document.sam.phone_no.value
		var value = inputStr ;
		var pattern = /^[0-9\(\)\s-\\\/]+$/ ;
		var result = '' ;
		result = pattern.exec(value) ;
		if (value == "") {
			value = null ;
		}
		if(result == null) {
			alert ("Sorry, Please do not use any alphabets for Phone");
			document.sam.phone_no.focus();
			return false;
		}
	}	
}
	if( document.sam.state.value=="")
{alert("Please fill in the name of your state")
document.sam.state.focus();
return false
}
if( document.sam.city.value=="")
{alert("Please fill in the name of your city")
document.sam.city.focus();
return false
}
var cmblen = document.sam.cmb_industry.length;
var flag = false;
for(var i=0; i<6; i++) {
//alert(document.sam.cmb_industry[i])
	if(document.sam.cmb_industry[i].checked==true) 
	flag = true;
}
if(flag == false) { // nothing is checked
	alert("Please Check in at least one Type of Business")
	return false;
}
if( document.sam.descrp.value=="")
{alert("Please Fill in No of Vehicles")
document.sam.descrp.focus();
return false
}
else
{
	if(document.sam.descrp.value != '') {
		inputStr = document.sam.descrp.value
		var value = inputStr ;
		var pattern = /^[0-9\(\)\s-\\\/]+$/ ;
		var result = '' ;
		result = pattern.exec(value) ;
		if (value == "") {
			value = null ;
		}
		if(result == null) {
			alert ("Sorry, Please do not use any alphabets only Numbers allowed");
			document.sam.descrp.focus();
			return false;
		}
		
		}
	}
}