function popUp(message) {



var x = 20;

var y = 20;



	var windowparam = "width=" + 500 + ",height=" + 150 + ",scrollbars=no,menubar=no,left="+x+",top="+y+",screenX="+x+",screenY="+y;

	popwin = window.open(message, "popwin", windowparam)

	popwin.opener = self;

	popwin.focus()

}

function popUp2(message) {



var x = 20;

var y = 20;



	var windowparam = "width=" + 500 + ",height=" + 700 + ",scrollbars=yes,menubar=no,left="+x+",top="+y+",screenX="+x+",screenY="+y;

	popwin = window.open(message, "popwin", windowparam)

	popwin.opener = self;

	popwin.focus()

}

function popUp3(message) {



var x = 20;

var y = 20;



	var windowparam = "width=" + 700 + ",height=" + 500 + ",scrollbars=yes,menubar=no,left="+x+",top="+y+",screenX="+x+",screenY="+y;

	popwin = window.open(message, "popwin", windowparam)

	popwin.opener = self;

	popwin.focus()

}



function validate_email(field,alerttxt) {

	with (field) { 

		apos=value.indexOf("@");

		dotpos=value.lastIndexOf(".");

		if (apos<1||dotpos-apos<2) {alert(alerttxt);return false;}

		else { return true; }

	}

}

function validate_form(thisform,fieldtovalidate)

{

	with (thisform)

	{

	if (validate_email(fieldtovalidate,"Not a valid e-mail address!")==false)

	  { return false;}

	}

}