function randNs(){
randImgSrc = "ns0"+(Math.floor(Math.random()* 4 )+1)+".jpg";
document.getElementById("randomServLoc").style.background="url(/webdata/graphics/"+randImgSrc+") no-repeat";
}

function randImg(){
randImgSrc = "randomHome_0"+(Math.floor(Math.random()* 5 )+1)+".jpg";
document.getElementById("randomHome").style.background="url(/webdata/graphics/"+randImgSrc+") no-repeat";
}

function randGen(){
randGenSrc = "randomGeneral_0"+(Math.floor(Math.random()* 4 )+1)+".jpg";
document.getElementById("randomGeneral").style.background="url(/webdata/graphics/"+randGenSrc+") no-repeat";
}

function randAbout(){
randGenSrc = "aboutUs_0"+(Math.floor(Math.random()* 2 )+1)+".jpg";
document.getElementById("randomAbout").style.background="url(/webdata/graphics/"+randGenSrc+") no-repeat";
}

function randDai(){
randGenSrc = "dai_0"+(Math.floor(Math.random()* 3 )+1)+".jpg";
document.getElementById("randomDai").style.background="url(/webdata/graphics/"+randGenSrc+") no-repeat";
}

function randEduTr(){
randGenSrc = "eduTraining_0"+(Math.floor(Math.random()* 2 )+1)+".jpg";
document.getElementById("randomEduTrain").style.background="url(/webdata/graphics/"+randGenSrc+") no-repeat";
}

function randHelp(){
randGenSrc = "help_0"+(Math.floor(Math.random()* 2 )+1)+".jpg";
document.getElementById("randomHelp").style.background="url(/webdata/graphics/"+randGenSrc+") no-repeat";
}

function randComm(){
randGenSrc = "OS_commDev_0"+(Math.floor(Math.random()* 2 )+1)+".jpg";
document.getElementById("randomCommDev").style.background="url(/webdata/graphics/"+randGenSrc+") no-repeat";
}

function randServ(){
randGenSrc = "OS_servLoc_0"+(Math.floor(Math.random()* 2 )+1)+".jpg";
document.getElementById("randomServLoc").style.background="url(/webdata/graphics/"+randGenSrc+") no-repeat";
}

function randPubl(){
randGenSrc = "publResources_0"+(Math.floor(Math.random()* 3 )+1)+".jpg";
document.getElementById("randomPublRes").style.background="url(/webdata/graphics/"+randGenSrc+") no-repeat";
}

function randRes(){
randGenSrc = "research_0"+(Math.floor(Math.random()* 1 )+1)+".jpg";
document.getElementById("randomResearch").style.background="url(/webdata/graphics/"+randGenSrc+") no-repeat";
}