//Created by Rohan Shaw
//2002
function CheckField(form_name)
{
 var num,i;
 var str,value;
 num =  eval('document.' + form_name + '.elements.length');
 for (i=0;i<num;i++)
   {
    value = eval('document.'+ form_name + '.item(i).value'); 
	str = eval('document.'+ form_name +'.item(i).name');
	if ( (str.substring(0,3) == "txt") || (str.search("sel") >= 0) || (str.search("Sel") >= 0) )
		{
		if ( (value == "") || (value == " ") || (value == "-1") )
			{alert("Please enter the necessary text in the field(s) below.");
			return false;
			}
		}
	
   }
 return true;
}
//--------------------------------------------------------------------------------------------------------------

function CheckField_SkipUrl(form_name)
{
 var num,i;
 var str,value;
 num =  eval('document.' + form_name + '.elements.length');
 for (i=0;i<num;i++)
   {
    value = eval('document.'+ form_name + '.item(i).value'); 
	str = eval('document.'+ form_name +'.item(i).name');
	if ( (str.substring(0,3) == "txt") || (str.search("sel") >= 0) || (str.search("Sel") >= 0) )
		{
		if(!(str.search("txtUrl") >= 0))
		  {//	;			//alert("URL field.");
		//else
		//	{
			if ( (value == "") || (value == " ") || (value == "-1") )
				{alert("Please enter text in fields below and make valid selections where required.");
				return false;
				}
			}
		}
   }//end for loop
 return true;
}

//--------------------------------------------------------------------------------------------------------------
function fourdigits(number)	
{
	return (number < 1000) ? number + 1900 : number;
}

function todaydate()
{
var now = new Date();
var days = new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday');
var months = new Array('January','February','March','April','May','June','July','August','September','October','November','December');
var date = ((now.getDate()<10) ? "0" : "")+ now.getDate();

today =  days[now.getDay()] + ", " + months[now.getMonth()] + " " + date + ", " +(fourdigits(now.getYear())) ;

document.write("from jscript"+today);
//return today;
}

//----------------------------------------------------------------------------------------
var theImages = new Array() 
theImages[0] = 'images/random/1.jpg'
theImages[1] = 'images/random/2.jpg'
theImages[2] = 'images/random/3.jpg'
theImages[3] = 'images/random/4.jpg'
theImages[4] = 'images/random/5.jpg'
theImages[5] = 'images/random/6.jpg'

var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}
var whichImage = Math.round(Math.random()*(p-1));

function showImage(){
document.write('<img src="'+theImages[whichImage]+'">');
}

function validate()
{ 

	document.form1.id_number.value = trim(document.form1.id_number.value);	
	document.form1.password.value = trim(document.form1.password.value);

	if (document.form1.id_number.value == '')
      {
        alert ("Please enter your ID Number");
        document.form1.id_number.focus();
        return false;
      }
	  else
	{
		if (!IsNumber(str_replace(document.form1.id_number.value, '-', '')))
		  {
			alert ("Please enter a valid ID Number");
			document.form1.id_number.focus();
			return false;
		  }		

	}


	if (document.form1.password.value == '')
      {
        alert ("Please enter your password");
        document.form1.password.focus();
        return false;
      }

}