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 Address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

 		 return true					
	}
	
function phonenumcheck(str) {	
		if (str.search(/^[0-9|\s]+$/) == -1){
			alert("Invalid Phone Number")
			return false
		}
		
		return true
	}
	
function numcheck(str) {	
		if (str.search(/^[0-9|\s]+$/) == -1){
			alert("Invalid Entry")
			return false
		}
		
		return true
	}	
	

function ValidateForm(){
	var emailID=document.form.email
	var NameID=document.form.name
	var PhoneID=document.form.tel	
	var AddressID=document.form.address	
	var MessageID=document.form.message		
	
	
	if ((NameID.value==null)||(NameID.value=="")){
		alert("Please Enter Your Name")
		NameID.focus()
		return false
	}
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter Your Email Address")
		emailID.focus()
		return false
	}
	
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}

	if ((PhoneID.value==null)||(PhoneID.value=="")){
		alert("Please Enter Your Phone Number")
		PhoneID.focus()
		return false
	}
	
	if (phonenumcheck(PhoneID.value)==false){
		PhoneID.value=""
		PhoneID.focus()
		return false
	}
	
	
	if ((AddressID.value==null)||(AddressID.value=="")){
		alert("Please Enter Your Address")
		AddressID.focus()
		return false
	}
	
	if ((MessageID.value==null)||(MessageID.value=="")){
		alert("Please Enter Your Message")
		MessageID.focus()
		return false
	}
	
	}



return true
 }