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					
	}

function ValidateForm(){
	var fname=document.form1.l1
	var fname2=document.form1.l2
	var fname3=document.form1.l3
	var fname4=document.form1.l4
	var fname5=document.form1.l5
	var fname6=document.form1.l6
	var fname7=document.form1.l7
	var emailID=document.form1.email

	if ((fname.value==null)||(fname.value=="")){
		alert("Please Enter Name of the Organisation")
		fname.focus()
		return false
	}
	
	if ((fname2.value==null)||(fname2.value=="")){
		alert("Please Enter your Postal Address")
		fname2.focus()
		return false
	}
	
	if ((fname3.value==null)||(fname3.value=="")){
		alert("Please Enter Contact Person")
		fname3.focus()
		return false
	}
	
	if ((fname4.value==null)||(fname4.value=="")){
		alert("Please Enter your Designation")
		fname4.focus()
		return false
	}
	
	if ((fname5.value==null)||(fname5.value=="")){
		alert("Please Enter your Requirement")
		fname5.focus()
		return false
	}
	
	if ((fname6.value==null)||(fname6.value=="")){
		alert("Please Enter your Phone No.")
		fname6.focus()
		return false
	}
	
	if ((fname7.value==null)||(fname7.value=="")){
		alert("Please Enter your Fax No.")
		fname7.focus()
		return false
	}
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}

	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}

	return true
 }