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 titleID=document.submit_web_form.title 
var urlID=document.submit_web_form.url
var descriptionID=document.submit_web_form.description12
var emailID=document.submit_web_form.txtEmail
var keywordsID=document.submit_web_form.keywords
var reciprocal_linkID=document.submit_web_form.reciprocal_link






		if ((titleID.value==null)||(titleID.value=="")){
		alert("Please Enter your Title")
		
		return false
	}
		if ((urlID.value==null)||(urlID.value=="")){
		alert("Please Enter your url")
		
		return false
	}
		if ((descriptionID.value==null)||(descriptionID.value=="")){
		alert("Please Enter your description")
		
		return false
	}
		if ((keywordsID.value==null)||(keywordsID.value=="")){
		alert("Please Enter your keywords")
	
		return false
	}
		if ((reciprocal_linkID.value==null)||(reciprocal_linkID.value=="")){
		alert("Please Enter your reciprocal_link")

		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
 }