function displayText (message, id)
{
		if (document.getElementById) 
		{   doc = document.getElementById(id); 
			doc.innerHTML = ''; 
			doc.innerHTML = message; 
		} 
		else if (document.all)
			{document.all[id].innerHTML =  message}
		else if (document.layers) 
		{	doc = document.layers[id];
			doc.document.open();
	        doc.write(message);
	        doc.close();
		}
}

function isblank(svalue)
{	svalue1 = new String(svalue);
	for(var i = 0; i < svalue1.length; i++) 
	{	var c = svalue1.charAt(i);
		if((c != ' ') && (c != '\n') && (c!='\t')) return false;
	} return true;
}

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 isInteger (s)
{   var i;
    // Search through string's characters one by one
    // until we find a non-numeric character.
    // When we do, return false; if we don't, return true.
    for (i = 0; i < s.length; i++)
    {  // Check that current character is number.
        var c = s.charAt(i);
        if (!isDigit(c)) return false;
    } return true;
}
function isDigit (c)
{   return ((c >= "0") && (c <= "9"))}