function openRecommendWindow() {
	window.scrollTo(0,0);
    document.recommendForm.recommendName.value = "";
    document.recommendForm.emailFrom.value = "";
    document.recommendForm.recommendSubject.value = " invites you to join GradShare";
    new Dialog.Box('recommend');
    $('recommend').show();
}

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){
       return false
    }

    if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
       return false
    }

    if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
        return false
    }

     if (str.indexOf(at,(lat+1))!=-1){
        return false
     }

     if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
        return false
     }

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

     return true                    
}

function ValidateForm(){
	var emailID=document.getElementById('recommendedTo').value;
	
	if ((document.getElementById('recommendedTo').value==null)||(document.getElementById('recommendedTo').value=="")){
	    alert("Please Enter your Email ID")
	    return false;
	}
	
	if (echeck(document.getElementById('recommendedTo').value)==false){
	    document.recommendForm.recommendedTo.focus();
	    alert("Not a Valid Email")
	    return false;
	}
	
	return true;
}