var TimerID = 0;

function DiveSites_Resize_Window()
	{
	var objPic = document.getElementById("BGPic");
	var objLayer = document.getElementById("Layer1");
	
//	Adjust to Height

	if ((document.body.clientWidth * 0.75) > document.body.clientHeight)
		{
		objPic.height = document.body.clientHeight - 4;
		objPic.width = parseInt((objPic.height * 4) / 3);
		objLayer.style.top = 0;
		objLayer.style.height = objPic.height;
		objLayer.style.width = objPic.width;
		objLayer.style.left = parseInt((document.body.clientWidth- objPic.width) / 2);
		}
		
//	Adjust to Width
	
	else 
		{
		objPic.width = document.body.clientWidth - 4;
		objPic.height = parseInt(objPic.width * 0.75);
		objLayer.style.left = 0;
		objLayer.style.height = objPic.height;
		objLayer.style.width = objPic.width;
		objLayer.style.top = parseInt((document.body.clientHeight- objPic.height) / 2);
		}
	
//	adjust font in header	

	var objHeader = document.getElementById("FontHeader");
	objHeader.style.fontSize = objHeader.clientHeight * 0.4 

//	trigger the font-adjustment routine

	if (TimerID != 0)
		{ window.clearTimeout(TimerID); }
	TimerID =  window.setTimeout("CheckFontSize()", 200);


//	last things to do

	objPic.style.visibility = "visible";
	}

function trimAll(sString) 
	{
	while (sString.substring(0,1) == ' ')
		{
		sString = sString.substring(1, sString.length);
		}
	while (sString.substring(sString.length-1, sString.length) == ' ')
		{
		sString = sString.substring(0,sString.length-1);
		}
	return sString;
	}

function CheckFontSize()
	{
	var iFontSize = 14;

	var objFontBox = document.getElementById("FontTextChild");

// 	shrink font	

	do
		{
		objFontBox.style.fontSize =	iFontSize + "px";
		iFontSize= iFontSize -1;
		} // loop end
	while (objFontBox.scrollHeight > objFontBox.clientHeight);
	}	


function TurnRed(Nr)
	{
	 var Obj =  document.getElementById("CText_" + Nr);
	 Obj.style.color="#FF0000";
	
	 Obj =  document.getElementById("Anchor_" + Nr);
	 Obj.style.color="#FF0000";
	}

function TurnWhite(Nr)
	{
	 var Obj =  document.getElementById("CText_" + Nr);
	 Obj.style.color="#FFFFFF";
	
	 Obj =  document.getElementById("Anchor_" + Nr);
	 Obj.style.color="#FFFFFF";
	}

function Set_Next_Previous (Param)
	{
	var objFrame = window.parent.frames["frmHeader"].document;

	var objAnchorNext =	objFrame.getElementById("AnchorNextSite");
	var objAnchorPrev = objFrame.getElementById("AnchorPrevSite");
	var objTabNext = objFrame.getElementById("tab_NextSite");
	var objTabPrev = objFrame.getElementById("tab_PrevSite");
	
	var Num;
	Num = Param +1;
	if (Num.toString().length < 2)
		{
			objAnchorNext.href = "Site0" + Num.toString() + ".htm";
		}
	else
		{
			objAnchorNext.href = "Site" + Num.toString() + ".htm";		
		}		 
	
	Num = Param -1;
	if (Num.toString().length < 2)
		{
			objAnchorPrev.href = "Site0" + Num.toString() + ".htm";
		}
	else
		{
			objAnchorPrev.href = "Site" + Num.toString() + ".htm";		
		}		 


	switch (Param)
		{
			case 0:
			case 1:
				objTabPrev.style.visibility = "hidden";
				objTabNext.style.visibility = "visible";
				break;

			case 27:
				objTabPrev.style.visibility = "visible";
				objTabNext.style.visibility = "hidden";
				break;				

			default:
				objTabPrev.style.visibility = "visible";
				objTabNext.style.visibility = "visible";
			
		}
	}