// JavaScript Document

//Preload images first

<!--
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];}}
}

MM_preloadImages('images/click_on.gif','images/upload_on.gif','images/print_on.gif','images/delivery_on.gif','images/greetings_on.gif','images/postcards_on.gif','images/photocards_on.gif','images/posters_on.gif','images/steps_on.gif','images/about_yf_hover.gif','images/creative_ideas_hover.gif','images/free_goodies_hover.gif');

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 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;
}

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];}
}
//-->

//alert code

function CheckEmail(strEmail)
{

    var checkAlpha="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
    var checkOther="_.-'"
    var emailValid=true;
    var checkAtDot=false;  
    var i,j,ch;
    
	//Removing white spaces from strName
	while(strEmail.charAt(0)==' ')
	       strEmail=strEmail.substring(1,strEmail.length); 

    //checking for first character is alpha numeric or not
    for(i=0; i<checkAlpha.length; i++)
     {
       if(strEmail.charAt(0)==checkAlpha.charAt(i))
       {
         emailValid=true;   
         break;
       }
       else
         emailValid=false;
     }

     //Returning false if the first character was not alphabet 
     if(emailValid==false) return false;
   
    //checking the characters before '@' character
    for(i=1; i<strEmail.length; i++)
	{
	    ch=strEmail.charAt(i);	     	    
	    //if '@' is found then break from the loop
	    if(ch=='@')
             {
                checkAtDot=true;
                emailValid=true; 
	        break;
             } 
	    for(j=0; j<(checkAlpha.length + checkOther.length); j++)
	    {
	       if(ch==checkAlpha.charAt(j))
	       {               
	        emailValid=true;
	        break;
	       } 
	       else if(ch==checkOther.charAt(j))
           {
	        emailValid=true;
	        break;
           }                      
 	        emailValid=false;	           
	    } 
	    if(emailValid==false) 
	       break;
	}
	
	 //Returning false if the Email Id is Invalid  
     if(checkAtDot==false || emailValid==false) return false;
    
     //checking the characters after '@' characters
     //checking for first character after '@' character is alphabet or not
     //incrementing i to move to next character
 
     i++;
     ch=strEmail.charAt(i);
       for(j=0; j<checkAlpha.length; j++)
       { 
        if(ch==checkAlpha.charAt(j))
        {

         emailValid=true; 
         break;
        }   
       else
         emailValid=false;
      }
        
     //Returning false if the Email Id is Invalid  
     if(emailValid==false) return false;

     checkAtDot=false;
     
	//checking the characters before '.' character
     for(i=i+1;i<strEmail.length; i++)
	{
	    ch=strEmail.charAt(i);	     
	    
	    //if '.' is found then break from the loop
	    if(ch=='.')
            {  
               checkAtDot=true;
               emailValid=true;
	       break;
            }
        //check characters of Email ID in checkAlpha and checkOther     
	    for(j=0; j<(checkAlpha.length + checkOther.length); j++)
	    {
	       if(ch==checkAlpha.charAt(j))
	       {
	        emailValid=true;
	        break;
	       } 
	       else if(ch==checkOther.charAt(j))
	       {
	        emailValid=true;
	        break;
	       } 
               else 
	        emailValid=false;	           
	    } 
	    if(emailValid==false) 
	       break;
	}

    //returning false if character '.' or Email Id is false
    if(checkAtDot==false || emailValid==false) return false;
	
	//Checking if after '.' Email has non-alpha numeric characters
    //if no characters are there after '.' then return false
    emailValid=false;	           
    checkAtDot=false;
        
	for(i=i+1; i<strEmail.length; i++)
	{
	    ch=strEmail.charAt(i);   
	    for(j=0; j<checkAlpha.length; j++)
	    {
	       if(ch==checkAlpha.charAt(j))
	       {
	        emailValid=true;
	        break;
	       } 
	       else if(ch=='.')
	       { 
	        
	         //if email id has multiple '.' characters
	         checkAtDot=true; 
	         emailValid=false;
	         break;
	       }       
	       else
	        emailValid=false;	           
	    } 
	    if(checkAtDot==false && emailValid==false) 
	       break;
	    checkAtDot=false;    
	}	
	
   return(emailValid);	
}

function validate()
{
  var strEmail=document.login.txtemail.value;
 
  if(document.login.txtemail.value=="")   
  if(strEmail=="")
  {
   alert("Please enter your email address");
   document.login.txtemail.focus(true);
   return false;
  } 
  if(!CheckEmail(strEmail))
  {
    alert("Invalid email address");	
	document.login.txtemail.focus(true);
    return false;
  }  
  if(document.login.password.value=="")
  {
    alert("Please enter your password");
    document.login.password.focus(true);
    return false;
  }
/*  if(document.login.password.value!="yobeta123")
  {
    alert("Incorrect Password");
    document.login.password.focus(true);
    return false;
  }
  */
  return true;
} 



/* --------Popup Windows---------------------------------------------------------  */


function viewPic(img)
{ 	
    picfile = new Image(); 
    picfile.src =(img); 
    fileCheck(img); 
}

function fileCheck(img)
{ 	
    if( (picfile.width!=0) && (picfile.height!=0) )
    { 
        makeWindow(img); 
    }
    else 
    {
        funzione="fileCheck('"+img+"')"; 
        intervallo=setTimeout(funzione,10); 
    }
}

function makeWindow(img)
{ 	
    ht = picfile.height;
    wd = picfile.width; 

    var args= "height=" + ht + ",innerHeight=" + ht;
    args += ",width=" + wd + ",innerWidth=" + wd;
    if (window.screen) 
    { 
        var avht = screen.availHeight; 
        var avwd = screen.availWidth;
        var xcen = (avwd - wd) / 2; 
        var ycen = (avht - ht) / 2;
        args += ",left=" + xcen + ",screenX=" + xcen;
        args += ",top=" + ycen + ",screenY=" + ycen + ",resizable=yes"; 	
    }

	popwin=window.open("","_blank",args)
	popwin.document.open()
	popwin.document.write('<html><head><title>'+img+'</title></head><body bgcolor=white scroll=no topmargin=0 leftmargin=0 rightmargin=0 bottomargin=0 marginheight=0 marginwidth=0><div style="position: absolute; top:0px;left:0px"><a href="javascript:window.close()"><img src="'+img+'" width="'+wd+'" height="'+ht+'" border="0"></a></div></body></html>')
	popwin.document.close()

}