function change(div_num)
{
for(i=1;i<=8;i++)
{
  if(i==div_num)
   {
     document.getElementById("body_"+i).style.display="";
	 document.getElementById("head_"+i).style.backgroundImage="url(/deftempimg/1.jpg)";
	 document.getElementById("head"+i).style.color='#fff';
   }
  else
   {
     document.getElementById("body_"+i).style.display="none";
     document.getElementById("head_"+i).style.backgroundImage="url(/deftempimg/2.jpg)";
     document.getElementById("head"+i).style.color='#333';
   }
}
}
function change1(div_num)
{
for(i=1;i<=8;i++)
{
  if(i==div_num)
   {
     document.getElementById("body_"+i).style.display="";
	 document.getElementById("head_"+i).style.backgroundImage="url(/deftempimg/3.jpg)";
	 document.getElementById("head"+i).style.color='#fff';
   }
  else
   {
     document.getElementById("body_"+i).style.display="none";
     document.getElementById("head_"+i).style.backgroundImage="url(/deftempimg/2.jpg)";
     document.getElementById("head"+i).style.color='#333';
   }
}
}


function clearField(field){
	if (field.value == field.defaultValue) {
		field.value = "";
	}
}
function checkField(field){
	if (!field.value) {
		field.value = field.defaultValue;
	}
}