/*	......................................................................................... 
	 	
		Author: 		Aleem Latif
 		Script File: 	JavaScript Common Functions
		Company: 		I See Communications
 		Last Updated: 	June 2009

............................................................................................. */
//	==================================================================================
// 	Check radio buttons whether they have been check or not
//	==================================================================================
function check_radio_buttons(radio_element)	{
	checkedBox= -1;
	errors='';
	boxes=document.getElementsByName(radio_element);
		
	for(var i=0;i<boxes.length;i++){
	  	if(boxes[i].checked)	{
	   		checkedBox=i
	   		break // No need to check the rest since only one can be checked.
  		}  
	}
	if (checkedBox == -1)	{
		errors = 'Please click on one of the answers \n';
	}
	
	if (errors != '')   { 	
  		alert('The following error(s) occurred:\n ------------------------------------- \n'+errors); 
	} 		
  	
	document.MM_returnValue = (errors == '');
}
//	==================================================================================
// 	Read Query String Vars
//	==================================================================================
function getArgs() { 
	var args = new Object(); 
	//var x = location.search.substr(1).split("&");
	var query = location.search.substring(1); 
	var pairs = query.split("&"); 
	for(var i = 0; i < pairs.length; i++) { 
		var pos = pairs[i].indexOf('='); 
		if (pos == -1) continue; 
		var argname = pairs[i].substring(0,pos); 
		var value = pairs[i].substring(pos+1); 
		args[argname] = unescape(value); 
	} 
	return args; 
} 


//	==================================================================================
// 	Customized MM_validateForm function to vaildate s form
//	==================================================================================


function MM_validateForm() { //v4.0

  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments; //alert(args.type);
  
  for (i=0; i<(args.length-2); i+=3)   { 
  	
	test=args[i+2]; 
	val=MM_findObj(args[i]);
    
	if (val) 	{ 
		nm=val.name; 
		nmID=val.id; 					
		if (nmID != '')		{	// Change  start 		
			nm = nmID;			
		}					// Change  End 
		if ((val=val.value)!="") 			{															
				 if (test.indexOf('isEmail')!=-1) 	 	{ 
						p=val.indexOf('@');
						 if (p<1 || p==(val.length-1)) 		{ 
						 	errors+='- '+nm+' must contain an e-mail address.\n';}
				
				} else if (test!='R') { 						
							num = parseFloat(val);
							if (isNaN(val)) { 	
									errors+='- '+nm+' must contain a number.\n';	
							
							}	
							if (test.indexOf('inRange') != -1) 	{ 	
								p=test.indexOf(':');
								min=test.substring(8,p); 
								max=test.substring(p+1);
								
								if (num<min || max<num) 	{ 
									errors +='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
								}
							} 
				} 
		} 	else if (test.charAt(0) == 'R') 	{	
					errors += '- '+nm+' is required.\n'; 
		}
	}	// end if val
 } // end for loop
  
  	if (errors)   { 	
  		alert('The following error(s) occurred:\n ------------------------------------- \n'+errors); 
	} 		
  	
	document.MM_returnValue = (errors == '');
}

//	==================================================================================
// Pops up a new window in the middle of the screen
//	==================================================================================
function popupWindow(mypage, myname, w, h, scroll) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}
//	==================================================================================
// 	Function to Swap Two Images
//	==================================================================================

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//	==================================================================================
// 	Function to replace value of an HTMML element like TD or DIV
//	==================================================================================
function replace_value(obj_id, value)	{	
	var x=document.getElementById(obj_id);	
	x.innerHTML= value;
}

//	==================================================================================
// 	Function to Assignd a value to an Form element like Input / or TextArea
//	==================================================================================
function AssignValue(Element, NewValue)	{	
	var x=document.getElementById(Element);
	x.value = NewValue;
	
}
//	==================================================================================
// 	Function to Swap Values betwen two Objects / Elements
//	==================================================================================
function SwapValues(FormField_1_obj, FormField_2)	{
	var x=FormField_1_obj;	
	var y=document.getElementById(FormField_2);	
	y.value = x.value;
	
}
//	==================================================================================
// 	Function to Preload Images for a Roll Over Images section
//	==================================================================================
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//	==================================================================================
// 	Function to Restore the First Image in  a Roll Over Images section
//	==================================================================================
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

//	==================================================================================
// 	Function to FIND an object / Element on a webpage 
//	==================================================================================
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}