// JavaScript Document



function init(div){

closeDiv(div);

	}





function toggle(div){



	if (document.all)

            {

            if(document.all(div).style.display=="block"){

				//if(document.all(div).height==300){

				closeDiv(div);

				}

				else{

					openDiv(div);

					}

            }

			

         else if (document.layers)

            {

			if(document.layers[div].style.display=="block"){

				//if(document.layers[div].height==300){

				closeDiv(div);

				}

            	else{

				openDiv(div);

				}

            }

         else if (document.getElementById)

            {

			if(document.getElementById(div).style.display=="block"){

				//if(document.getElementById(div).style.height=="300px"){

				closeDiv(div);

					}

					else{

						openDiv(div);

						}

            }

}





function openDiv(div){

	

	if (document.all)

            {

            document.all(div).style.display="block";

            }

         else if (document.layers)

            {

            document.layers[div].style.display="block";

            }

         else if (document.getElementById)

            {

			document.getElementById(div).style.display="block";

            }

	

	

	/*if (document.all)

            {

			for(i=0;i<300;i++){

				document.all(div).height=i;

				}

            }

         else if (document.layers)

            {

			for(i=0;i<300;i++){

				document.layers[div].height=i;

				}

            }

         else if (document.getElementById)

            {

				for(i=0;i<300;i++){

				document.getElementById(div).style.height=i + "px";

				}

            }*/

		

			

}

	

function closeDiv(div){

	

		/*if (document.all)

            {

          	for(i=300;i>0;i--){

				document.all(div).height=i;

				}

            }

         else if (document.layers)

            {

          for(i=300;i>0;i--){

				document.layers[div].height=i;

				}

            }

         else if (document.getElementById)

            {

				for(i=300;i>0;i--){

				document.getElementById(div).style.height=i;

				}

            }*/

	

	

	if (document.all)

            {

            document.all(div).style.display="none";

            }

         else if (document.layers)

            {

            document.layers[div].style.display="none";

            }

         else if (document.getElementById)

            {

			document.getElementById(div).style.display="none";

            }

		

		

}



/**** BALLONS***/



function getBallonYPosition(){

	if (document.all){

           posY=document.all("ballon").style.posTop;

            }

         else if (document.layers){

			posY=document.layers["ballon"].top;

            }

         else if (document.getElementById){

			posY=document.getElementById("ballon").offsetTop;

            }

		return posY;

	}

function getBallonXPosition(){

	if (document.all){

           posX=document.all("ballon").style.posLeft;

            }

         else if (document.layers){

			posX=document.layers["ballon"].left;

            }

         else if (document.getElementById){

			posX=document.getElementById("ballon").offsetLeft;

            }

		return posX;

	}



function ballonStart(){



	var speed  = randomInt(1,4);



	

	var ballon=setInterval("ballonMove()",50);

	}

	

	

	



function randomInt(mini, maxi){

    var randInt = Math.floor(mini+(maxi-mini+1)*(Math.random()));

    return randInt;

	}





	

	var i=0;

function ballonMove(){

//alert("ballonMove");

ballonHoehe=200; //anpassen





	posY = getBallonYPosition();

	posX = getBallonXPosition();

	





	//hier wird die Richtung und Geschwindigkeit festgelegt

	//ist der Ballon schon oben: fängt er unten wieder an

	

	if (document.all){

			if(posY<-ballonHoehe){

						posY=screen.height;

						i=0;

						}

						else{

							speed  = randomInt(1,4);

							posY-=speed;

							i++;

							}

						if(posX > screen.width){

				

							posX=0;

							posY=screen.height;

							i=0;

							}

					

							if(i<200){

								speed  = randomInt(1,4);

								posX+=speed;

								}

								else if(i>200 && i<300){

									speed  = randomInt(1,4);

									

									posX-=speed;

									}

									else if(i>300 && i<500){

										speed  = randomInt(1,4);

				

										posX+=speed;

										}

										else if(i>500 && i<600){

										speed  = randomInt(1,4);

				

										posX-=speed;

										}

										else if(i>600){

										speed  = randomInt(1,4);

				

										posX+=speed;

										}



            }

			

			

         else if (document.layers){

				if(posY<-ballonHoehe){

						posY=screen.height;

						i=0;

						}

						else{

							speed  = randomInt(1,4);

							posY-=speed;

							i++;

							}

						if(posX > screen.width){

				

							posX=0;

							posY=screen.height;

							i=0;

							}

					

							if(i<200){

								speed  = randomInt(1,4);

								posX+=speed;

								}

								else if(i>200 && i<300){

									speed  = randomInt(1,4);

									

									posX-=speed;

									}

									else if(i>300 && i<500){

										speed  = randomInt(1,4);

				

										posX+=speed;

										}

										else if(i>500 && i<600){

										speed  = randomInt(1,4);

				

										posX-=speed;

										}

										else if(i>600){

										speed  = randomInt(1,4);

										posX+=speed;

										}



            }

         else if (document.getElementById){

							if(posY<-ballonHoehe){

						posY=screen.availHeight;

						i=0;

						}

						else{

							speed  = randomInt(1,4);

							posY-=speed;

							i++;

							}

						if(posX > screen.availWidth){

				

							posX=0;

							posY=screen.availHeight;

							i=0;

							}

					

							if(i<200){

								speed  = randomInt(1,4);

								posX+=speed;

								}

								else if(i>200 && i<300){

									speed  = randomInt(1,4);

									

									posX-=speed;

									}

									else if(i>300 && i<500){

										speed  = randomInt(1,4);

				

										posX+=speed;

										}

										else if(i>500 && i<600){

										speed  = randomInt(1,4);

				

										posX-=speed;

										}

										else if(i>600){

										speed  = randomInt(1,4);

				

										posX+=speed;

										}

            }

	

	

	

	

	

	

	if (document.all){

		//alert("document all");

           document.all("ballon").style.posTop=posY;

		   document.all("ballon").style.posLeft=posX;

            }

			

         else if (document.layers){

			//alert("document layers");

			document.layers["ballon"].top=posY;

			document.layers["ballon"].left=posX;

            }

         else if (document.getElementById){

			document.getElementById("ballon").style.top = posY + "px";

			document.getElementById("ballon").style.left = posX + "px";

            }

}