function mailpage()
{
URL = window.location.href;
string= "mailto:Vul%20e-mailadres%20in?subject=Interessante informatie&body=Beste, %0A %0A Volgende pagina biedt informatie die u zeker zal interesseren: %0A " + URL +" %0A %0A Beste groeten,";
window.location.href= string;
}

function twitterpage()
{
URL = window.location.href;
window.open('http://twitter.com/home?status='+URL,'Twitter','toolbar=0,status=0,width=770,height=570,scrollbars=1,resizable=1');
}

function linkedinpage()
{
window.open('http://www.linkedin.com/groups?about=&gid=3017390&trk=anet_ug_grppro','Linkedin','toolbar=0,status=0,width=870,height=570,scrollbars=1,resizable=1');
}

function facebookpage()
{
u=location.href;
t=document.title;
window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),'Facebook','toolbar=0,status=0,width=770,height=570,scrollbars=1,resizable=1');
}



/* zet hier het aantal images */
var numberOfImages = 5;
 
/* zet hier de relatieve gewichten */
var valueWeight = [1,3,1,3,3];
 
 
var values = new Array(numberOfImages);
for(y=0 ; y<values.length; y++)
values[y] = y;
 
 
var totalWeight = eval(valueWeight.join("+")) ;
 
var resArray = new Array();
 
var currValue = 0;
 
 
////////////////////////////////////////////////////////
 
 
while (currValue < values.length) {
 
for(i=0 ; i<valueWeight[currValue]; i++) 
 
resArray[resArray.length] = values[currValue];
 
currValue++;
}
 
var rannum=Math.floor(Math.random()* totalWeight)
var randomNumber = resArray[rannum];
 
// Create an array to hold the names of all images.
var image = new Array(numberOfImages);
image[0]="http://www.salv.be/App_Themes/Salv/images/sfeerbeeld.jpg";
image[1]="http://www.salv.be/App_Themes/Salv/images/sfeerbeeld2.jpg";
image[2]="http://www.salv.be/App_Themes/Salv/images/sfeerbeeld3.jpg";
image[3]="http://www.salv.be/App_Themes/Salv/images/sfeerbeeld4.jpg";
image[4]="http://www.salv.be/App_Themes/Salv/images/sfeerbeeld5.jpg";

 
var url="url(" + image[randomNumber] + ")";
 
document.getElementById("sfeerbeeld").style.backgroundImage = url;