//flag = true if disabled, false if enabled
function enableForm(form,flag)
{
	var len=form.elements.length; 
	for(x=0;x<len;x++) { 		
		if(form.elements[x].type != "submit" && form.elements[x].name != "noreturn")
		form.elements[x].disabled=flag; 
		
	}
}


function isEmpty (s) {
	var p = /\S+/;
	return !p.test(s);
}

function isEmail(string) {
    if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
        return true;
    else
        return false;
}



/*
function makeAllReadOnlyExceptSubmit()
{
	var f = document.getElementById("idOfYourForm");
	var inputs = f.getElementsByTagName("input");
	for(var i = 0; i < inputs.length; i++)
		if(inputs[i].type != "submit")
		inputs[i].readOnly = true;
}

function enableDisable(flag){
	//flag = true if disabled, false if enabled
	var f = document.formname;
	var len=f.elements.length; 
	for(x=0;x<len;x++) { 
		f.elements[x].disabled=flag; 
} 
*/